US2229215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifreeze substance for fuel tanks
Assignee: Carter Carburetor Corp
•
Filing: 1938-02-23
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Granted: 1941-01-21
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Expires: 1958-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Willett C Magruder
- 👤 Alfred C Korte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:18
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C09; C09K; C09K5/00; C09K5/20; C10L1/12; C10L1/1233; C10L1/125; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1852; C10L1/1855; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-01-21 | 1944-07-22 | 1945-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-21 | 1948-07-22 | 1949-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-21 | 1952-07-22 | 1953-01-21 | $7700.00 | Window Closed / Lapsed |