US3545948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for carburetion of gaseous fuels and air
Assignee: Imperial Machine Products Co
•
Filing: 1967-09-27
•
Granted: 1970-12-08
•
Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Richard Baverstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
F; F02; F02M; F02M21/00; F02M21/02; F02M21/04; F02M21/047; F02M21/0218; F02M21/023; F02M21/0239; F02B; F02B43/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1448863A
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US2007337A
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US2390658A
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US2544111A
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GB672455A
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US2683028A
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US2788082A
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US2925257A
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US2988345A
Cited
US2983592A
Cited
FR1251427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |