Patent US294157A successfully refreshed from Google Patents.
US786167A
Expired / Lapsed
US
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Oil-pump.
Assignee: SIGHT FEED OIL PUMP CO
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Filing: 1903-01-15
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Granted: 1905-03-28
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Expires: 1923-01-15
Abstract
No abstract record available.
Inventors
- 👤 Willis S Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:02
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/10
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) | 1908-03-27 | 1908-09-26 | 1909-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-27 | 1912-09-26 | 1913-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-27 | 1916-09-26 | 1917-03-28 | $7700.00 | Window Closed / Lapsed |