US2722203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intake manifold for v-engines
Assignee: Old Carco LLC
•
Filing: 1952-08-22
•
Granted: 1955-11-01
•
Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 William E Drinkard
- 👤 Melbourne L Carpentier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:40
CPC Classifications
F; F02; F02M; F02M1/00; F02B; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1832; F02B75/22; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1862723A
Cited
US2127079A
Cited
US2104178A
Cited
US2135628A
Cited
US2160922A
Cited
US2098424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |