Patents
US 11358232 B2: Rounded nut files for stringed instruments
- Granted
- 2022-06-14
- Filed
- 2018-10-15 application 16756050
- Type
- Utility · 9 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The diamond tipped nut filing tool includes a body and a diamond tipped file. The diamond tipped file may be disposed along one end of the body. The body has a longitudinal length and at least half of the length includes a circumference so that at least one half of the longitudinal length is rounded.
Source: PVGPATDIS, file of 2026-04-10 (ipg220614.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| STEWART-MACDONALD MANUFACTURING COMPANY 3 patents | US company or organization | Athens, OH | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jay Hostetler | Athens, OH | 3 | PVGPATDIS, file of 2026-04-10 | |
| Don Macrostie | Athens, OH | 1 | PVGPATDIS, file of 2026-04-10 | |
| Todd Sams | Athens, OH | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B23D | Planing; slotting; shearing; broaching; sawing; filing; scraping; like operations for working metal by removing material, not otherwise provided for | B23D71/04 | PVGPATDIS, file of 2026-04-10 |
| G10D | Stringed musical instruments; wind musical instruments; accordions or concertinas; percussion musical instruments; aeolian harps; singing-flame musical instruments; musical instruments not otherwise provided for | G10D1/00 | PVGPATDIS, file of 2026-04-10 |
| G10G | Representation of music; recording music in notation form; accessories for music or musical instruments not otherwise provided for, e.g. supports | G10G7/00 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-04-19 | Correction Corrective assignment to correct the third inventor's name previously recorded at reel: 052967 frame: 0283. assignor(s) hereby confirms the assignment . | MACROSTIE, DON signed 2018-05-21 HOSTETLER, JAY signed 2018-05-24 SAMS, TODD signed 2018-05-24 | STEWART-MACDONALD MANUFACTURING COMPANY ATHENS, OH | 59727/293 | ECORSEXC, file of 2026-09-25 |
| 2022-04-11 | Security interest Security interest Security interest | STEWART-MACDONALD MANUFACTURING COMPANY signed 2020-09-29 | AVIDBANK SAN JOSE, CA | 59562/955 | ECORSEXC, file of 2026-09-25 |
| 2020-06-17 | Assignment Assignment of assignor's interest | MACROSTIE, DON signed 2018-05-21 HOSTETLER, JAY signed 2018-05-24 SAMMS, TODD signed 2018-05-24 | STEWART-MACDONALD MANUFACTURING COMPANY ATHENS, OH | 52967/283 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.