US1179247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch device for the doors of steam-shovels, dredges, and the like.
Assignee: Individual
•
Filing: 1915-06-23
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Granted: 1916-04-11
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Expires: 1935-06-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:03
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1006; Y10T292/1007; Y10T292/1011; Y10T292/1014; Y10T292/1022; Y10T292/1031
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) | 1919-04-11 | 1919-10-11 | 1920-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-04-11 | 1923-10-11 | 1924-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-04-11 | 1927-10-11 | 1928-04-11 | $7700.00 | Window Closed / Lapsed |