Patent US3545948A successfully refreshed from Google Patents.
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 21:02
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3123451A
Cited
US1448863A
Cited
US2007337A
Cited
US2390658A
Cited
US2544111A
Cited
GB672455A
Cited
US2683028A
Cited
US2788082A
Cited
US2925257A
Cited
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 |