Patent US1238989A successfully refreshed from Google Patents.
US1238989A
Expired / Lapsed
US
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Shut-off for carbureters in motor-vehicles.
Assignee: MICHAEL J MARUNA
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Filing: 1916-12-04
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Granted: 1917-09-04
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Expires: 1936-12-04
Abstract
No abstract record available.
Inventors
- 👤 Walter J Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:34
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04; B60R25/042; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5642; Y10T70/5889; Y10T70/5912
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) | 1920-09-03 | 1921-03-05 | 1921-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-09-03 | 1925-03-05 | 1925-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-09-03 | 1929-03-05 | 1929-09-04 | $7700.00 | Window Closed / Lapsed |