Patents
US 8191275 B2: Adjustable square device
- Granted
- 2012-06-05
- Filed
- 2009-08-21 application 12545219
- Type
- Utility · 17 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The disclosure depicts an adjustable square device with a body having a substantially uniform cross-section at planes orthogonal to a longitudinal axis, the cross-section having a generally rectangular outline. A first groove extends inwardly from a first end of the body and oriented generally parallel a bottom surface of the body. A second groove extends inwardly from the first end and is orthogonal the first groove, the first and second grooves intersecting at a vertex. The device also has a tunnel extending from the vertex to a second end of the body, and a blade slidably engagable into one of the first or second grooves.
Source: PVGPATDIS, file of 2026-04-10 (ipg120605.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Whitcomb Machine, LLC 1 patents | US company or organization | Elmdale, KS | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| G Matthew Whitcomb | Elmdale, KS | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B43L | Articles for writing or drawing upon; ; writing or drawing aids;; accessories for writing or drawing | B43L7/10 | 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 |
|---|---|---|---|---|---|
| 2012-04-27 | Assignment Assignment of assignor's interest | WHITCOMB, G MATTHEW signed 2012-04-23 | WHITCOMB MACHINE, LLC ELMDALE, KS | 28172/512 | 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.