Patent US2650491A successfully refreshed from Google Patents.
US2650491A
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US
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Self-relocking combination lock
Assignee: Individual
•
Filing: 1951-04-12
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Granted: 1953-09-01
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Expires: 1971-04-12
Abstract
No abstract record available.
Inventors
- 👤 Streeter Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:21
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/08; E05B37/0075; E05B37/0086; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243; Y10T70/7249; Y10T70/7316; Y10T70/7322; Y10T70/7328; Y10T70/7339; Y10T70/735; Y10T70/7367; Y10T70/739
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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |