Patent US821149A successfully refreshed from Google Patents.
US821149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for facilitating the removal of valves from valve-boxes of internal-combustion engines.
Assignee: Individual
•
Filing: 1905-11-08
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Granted: 1906-05-22
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Expires: 1925-11-08
Abstract
No abstract record available.
Inventors
- 👤 Gaston Jules Emmanuel Alphandery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:08
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
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) | 1909-05-21 | 1909-11-20 | 1910-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-21 | 1913-11-20 | 1914-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-21 | 1917-11-20 | 1918-05-22 | $7700.00 | Window Closed / Lapsed |