Patent US1449248A successfully refreshed from Google Patents.
US1449248A
Expired / Lapsed
US
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Combination locking mechanism
Assignee: Individual
•
Filing: 1921-09-14
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Granted: 1923-03-20
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Expires: 1941-09-14
Abstract
No abstract record available.
Inventors
- 👤 George D Rathbun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00706; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7068
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) | 1926-03-19 | 1926-09-18 | 1927-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-19 | 1930-09-18 | 1931-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-19 | 1934-09-18 | 1935-03-20 | $7700.00 | Window Closed / Lapsed |