Patent US1990554A successfully refreshed from Google Patents.
Patent US771542A successfully refreshed from Google Patents.
US771542A
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Assignee: Yale and Towne Manufacturing Co
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Filing: 1904-08-09
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Granted: 1904-10-04
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Expires: 1924-08-09
Abstract
No abstract record available.
Inventors
- 👤 James Robert Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:45
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10S; Y10S70/00; Y10S70/06; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0983; Y10T292/0984; Y10T292/1014; Y10T292/1022; Y10T292/1031; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5531
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) | 1907-10-04 | 1908-04-04 | 1908-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-04 | 1912-04-04 | 1912-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-04 | 1916-04-04 | 1916-10-04 | $7700.00 | Window Closed / Lapsed |