US2529243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for carburetor throttle valves
Assignee: Briggs and Stratton Corp
•
Filing: 1950-07-31
•
Granted: 1950-11-07
•
Expires: 1970-07-31
Abstract
No abstract record available.
Inventors
- 👤 Hugh S Brown
- 👤 Werner E Armstrong
- 👤 Joseph V Reichenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:11
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02D2009/0201; F02D2009/0208; F02D2009/0216; F02D2009/0218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1201821A
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US1331161A
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US1720561A
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US1774080A
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US2019578A
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US1843960A
Cited
US2452208A
Cited
US2468361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |