Patent US1009611A successfully refreshed from Google Patents.
US1009611A
Expired / Lapsed
US
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Valve-operating mechanism.
Assignee: Individual
•
Filing: 1909-09-27
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Granted: 1911-11-21
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Expires: 1929-09-27
Abstract
No abstract record available.
Inventors
- 👤 George J Wittmann
- 👤 Percival E King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:32
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/0491
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) | 1914-11-20 | 1915-05-22 | 1915-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-11-20 | 1919-05-22 | 1919-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-11-20 | 1923-05-22 | 1923-11-21 | $7700.00 | Window Closed / Lapsed |