Patent US3368482A successfully refreshed from Google Patents.
Patent US2476852A successfully refreshed from Google Patents.
US2476852A
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Wire lock, cutter chain structure
Assignee: Individual
•
Filing: 1946-02-21
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Granted: 1949-07-19
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Expires: 1966-02-21
Abstract
No abstract record available.
Inventors
- 👤 Charles J Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:58
CPC Classifications
E; E21; E21C; E21C25/00; E21C25/22; E21C25/28; E21C25/34; E21C25/36; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |