US652337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master-key lock.
Assignee: Yale and Towne Manufacturing Co
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Filing: 1900-04-06
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Granted: 1900-06-26
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Expires: 1920-04-06
Abstract
No abstract record available.
Inventors
- 👤 Warren H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:34
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/06; E05B67/22; E05B67/24; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/446; Y10T70/452; Y10T70/459; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7582; Y10T70/7667; Y10T70/7757
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) | 1903-06-26 | 1903-12-26 | 1904-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-06-26 | 1907-12-26 | 1908-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-06-26 | 1911-12-26 | 1912-06-26 | $7700.00 | Window Closed / Lapsed |