Patent US2851915A successfully refreshed from Google Patents.
US2851915A
Expired / Lapsed
US
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Auxiliary handle for angular wrenches
Assignee: Individual
•
Filing: 1955-04-06
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Granted: 1958-09-16
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Expires: 1975-04-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:42
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/005; B25B; B25B23/00; B25B23/16; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1039831A
Cited
US1168661A
Cited
GB140455A
Cited
US1545574A
Cited
US2519559A
Cited
US2569069A
Cited
US2719042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |