US645049A
Expired / Lapsed
US
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Lock.
Assignee: FERGUSSON LOCK Co
•
Filing: 1899-05-31
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Granted: 1900-03-06
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Expires: 1919-05-31
Abstract
No abstract record available.
Inventors
- 👤 Alan Robb Fergusson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:40
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5215; E05B65/523; E05B65/5238; Y; Y10; Y10S; Y10S292/00; Y10S292/72; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T292/42; Y10T292/432; Y10T292/54; Y10T292/546; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5058; Y10T70/5062; Y10T70/5066; Y10T70/5093; Y10T70/5097; Y10T70/5102; Y10T70/5106; Y10T70/5111; Y10T70/5119; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296
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) | 1903-03-06 | 1903-09-05 | 1904-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-03-06 | 1907-09-05 | 1908-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-03-06 | 1911-09-05 | 1912-03-06 | $7700.00 | Window Closed / Lapsed |