Patent US2881810A successfully refreshed from Google Patents.
US2881810A
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Metering pump for liquid gas fuel
Assignee: American National Bank and Trust Co
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Filing: 1956-07-20
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Granted: 1959-04-14
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Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles T Breitenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:00
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1749216A
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US1875902A
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US2168493A
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US2212379A
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US2684805A
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US2664727A
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US2737329A
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US2769325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |