US2635335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven hand sheet metal shears
Assignee: Individual
•
Filing: 1949-04-04
•
Granted: 1953-04-21
•
Expires: 1969-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert W James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
B; B23; B23D; B23D29/00; B23D29/005; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1228838A
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US1613126A
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US1651823A
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US1694597A
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US1765313A
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US1762392A
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US2186738A
Cited
US2256779A
Cited
US2268728A
Cited
US2454728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |