US2878663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: EAGLE LOCK AND SCREW Co
•
Filing: 1956-07-20
•
Granted: 1959-03-24
•
Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 Vene C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:07
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0894; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US928820A
Cited
US1487900A
Cited
US1638264A
Cited
US1674513A
Cited
US1864883A
Cited
US2140066A
Cited
US2468406A
Cited
US2737043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |