US1690565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-feeding device for internal-combustion engines
Assignee: Stewart Warner Speedometer Corp
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Filing: 1923-05-31
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Granted: 1928-11-06
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Expires: 1943-05-31
Abstract
No abstract record available.
Inventors
- 👤 Leonard H Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
F; F02; F02B; F02B1/00; F02M; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4383; F02M2700/4385
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) | 1931-11-06 | 1932-05-07 | 1932-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-06 | 1936-05-07 | 1936-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-06 | 1940-05-07 | 1940-11-06 | $7700.00 | Window Closed / Lapsed |