US2436043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine and method of making parts thereof
Assignee: Old Carco LLC
•
Filing: 1944-03-24
•
Granted: 1948-02-17
•
Expires: 1964-03-24
Abstract
No abstract record available.
Inventors
- 👤 Alexander G Herreshoff
- 👤 Addison R Houk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B2275/00; F02B2275/20; F02B2275/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/4927; Y10T29/49272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE584402C
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US2021942A
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US2136302A
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US2108209A
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US2225807A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |