Patent US3290712A successfully refreshed from Google Patents.
US3290712A
Expired / Lapsed
US
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Combination trowel and gauge
Assignee: Individual
•
Filing: 1965-05-11
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Granted: 1966-12-13
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Richey James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:38
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G21/201; E04G2021/208
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
208 words
IN A TROWEL OF THE TYPE FOR USE BY A BRICKLAYER FOR APPLYING MORTAR TO BRICKS AND THE LIKE HAVING A BLADE, AN ELONGATED HANDLE, AND MEANS FOR CONNECTING ONE END OF SAID HANDLE TO SAID BLADE, THE IMPROVEMENT WHICH CONSISTS OF, AN END WALL ON THE OTHER END OF SAID HANDLE, A TUBULAR CAP OF RESILIENT MATERIAL HAVING AN END WALL POSITIONED OVER SAID HANDLE OTHER END WITH SAID CAP END WALL IN OVERLYING ENGAGEMENT WITH SAID HANDLE END WALL, AN ELONGATED CYLINDRICAL ROD HAVING A DIAMETER CORRSPONDING TO THE SPACING BETWEEN ADJACENT BRICKS IN THE LAID POSITION, A BASE PLATE ON ONE END OF SAID ROD, A SCREW SECURED TO THE OPPOSITE SIDE OF SAID BASE PLATE FROM SAID ROD AND IN COAXIAL RELATIONSHIP WITH THE ROD, SAID SCREW BEING THREADED INTO SAID HANDLE END WALL THROUGH SAID CAP END WALL WITH SAID BASE PLATE IN OVERLYING ENGAGEMENT WITH SAID CAP END WALL AND WITH SAID ROD POSITIONED IN A REARWARDLY PROJECTING, CENTRAL RELATIONSHIP WITH BOTH SAID END WALLS, SAID CYLINDRICAL ROD BEING ADAPTED TO BE SIMULTANEOUSLY ENGAGED BY THE OPPOSED WALLS OF ADJACENT BRICKS AS SAID BRICKS ARE LAID BY SAID BRICLAYER THEREBY PERMITTING SAID ADJACENT BRICKS TO BE POSITIONED IN THE DESIRED SPACED RELATIONSHIP.
References Cited (Backward Citations)
US853164A
Cited
US1440366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |