Patent US690537A successfully refreshed from Google Patents.
US690537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Changeable-combination key-lock.
Assignee: Yale and Towne Manufacturing Co
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Filing: 1901-03-18
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Granted: 1902-01-07
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Expires: 1921-03-18
Abstract
No abstract record available.
Inventors
- 👤 Warren H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:16
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/005; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7729; Y10T70/7734; Y10T70/774
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) | 1905-01-06 | 1905-07-08 | 1906-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-01-06 | 1909-07-08 | 1910-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-01-06 | 1913-07-08 | 1914-01-07 | $7700.00 | Window Closed / Lapsed |