Patent US1043279A successfully refreshed from Google Patents.
US1043279A
Expired / Lapsed
US
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Oil-well-pump valve.
Assignee: Individual
•
Filing: 1912-01-17
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Granted: 1912-11-05
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Expires: 1932-01-17
Abstract
No abstract record available.
Inventors
- 👤 Earl A Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:04
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909
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) | 1915-11-05 | 1916-05-06 | 1916-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-11-05 | 1920-05-06 | 1920-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-11-05 | 1924-05-06 | 1924-11-05 | $7700.00 | Window Closed / Lapsed |