Patent US894520A successfully refreshed from Google Patents.
US894520A
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Assignee: Mills Keyless Lock & Novelty Manufacturing Co
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Filing: 1907-10-26
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Granted: 1908-07-28
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Expires: 1927-10-26
Abstract
No abstract record available.
Inventors
- 👤 Mortimer B Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:08
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/08; Y; Y10; Y10S; Y10S70/00; Y10S70/21; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/417; Y10T70/422; Y10T70/428; Y10T70/43; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5062; Y10T70/5093; Y10T70/5097; Y10T70/5111; Y10T70/5115; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243; Y10T70/7249; Y10T70/80; Y10T70/8297; Y10T70/8378
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) | 1911-07-28 | 1912-01-27 | 1912-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-28 | 1916-01-27 | 1916-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-28 | 1920-01-27 | 1920-07-28 | $7700.00 | Window Closed / Lapsed |