US2169564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporized fuel heater for gas engines
Assignee: Individual
•
Filing: 1936-05-27
•
Granted: 1939-08-15
•
Expires: 1956-05-27
Abstract
No abstract record available.
Inventors
- 👤 Laurence C Maher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:52
CPC Classifications
F; F02; F02M; F02M21/00; F02M21/08; F02M21/10; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/401; Y10S165/405; Y10S165/413; Y10S261/00; Y10S261/06
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) | 1942-08-14 | 1943-02-13 | 1943-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-14 | 1947-02-13 | 1947-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-14 | 1951-02-13 | 1951-08-15 | $7700.00 | Window Closed / Lapsed |