Patent US227319A successfully refreshed from Google Patents.
US655006A
Expired / Lapsed
US
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Electric lock.
Assignee: FRED WARREN CLARK
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Filing: 1900-04-21
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Granted: 1900-07-31
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Expires: 1920-04-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore P Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:27
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; E05B47/0003; E05B47/0004; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5496; Y10T70/70; Y10T70/7051; Y10T70/7062
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) | 1903-07-31 | 1904-01-30 | 1904-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-07-31 | 1908-01-30 | 1908-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-07-31 | 1912-01-30 | 1912-07-31 | $7700.00 | Window Closed / Lapsed |