US971375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for facilitating the removal of engine-valves.
Assignee: Individual
•
Filing: 1910-06-23
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Granted: 1910-09-27
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Expires: 1930-06-23
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Hays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:02
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/24; B25B27/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53561; Y10T29/5357; Y10T29/53796; Y10T29/53848; Y10T29/53852
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) | 1913-09-26 | 1914-03-28 | 1914-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-26 | 1918-03-28 | 1918-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-26 | 1922-03-28 | 1922-09-27 | $7700.00 | Window Closed / Lapsed |