US2456349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: FOSGOOD Corp
•
Filing: 1945-12-22
•
Granted: 1948-12-14
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert S Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:31
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/1777; Y; Y10; Y10S; Y10S425/00; Y10S425/221; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5642; Y10T70/569; Y10T70/573; Y10T70/5735
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1795917A
Cited
US2372833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |