Patent US2837511A successfully refreshed from Google Patents.
US1683384A
Expired / Lapsed
US
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Wrench handle attachment
Assignee: BONNEY FORGE AND TOOL WORKS
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Filing: 1927-05-03
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Granted: 1928-09-04
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Expires: 1947-05-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Edward Durham
- 👤 Hume David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:16
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0007; B25B23/0035; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-09-04 | 1932-03-05 | 1932-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-04 | 1936-03-05 | 1936-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-04 | 1940-03-05 | 1940-09-04 | $7700.00 | Window Closed / Lapsed |