US1914802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool handle securing means
Assignee: National Lock Washer Co
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Filing: 1930-12-20
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Granted: 1933-06-20
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Expires: 1950-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Cochrane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:27
CPC Classifications
D; D05; D05B; D05B37/00; D05B37/02; B; B25; B25G; B25G3/00; B25G3/02; F; F16; F16B; F16B2200/00; F16B2200/20; F16B2200/30
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) | 1936-06-19 | 1936-12-19 | 1937-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-19 | 1940-12-19 | 1941-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-19 | 1944-12-19 | 1945-06-20 | $7700.00 | Window Closed / Lapsed |