US2355090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: Individual
•
Filing: 1939-04-06
•
Granted: 1944-08-08
•
Expires: 1959-04-06
Abstract
No abstract record available.
Inventors
- 👤 John T Love
- 👤 Hoffman Abe Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:20
CPC Classifications
F; F01; F01N; F01N13/00; F02; F02D; F02D35/00; F02D35/0015; F02D35/0023; F02D35/003; F02D35/0046; F02D35/0053; F02D35/0069; F02D41/00; F02D41/02; F02D41/14; F02D41/1438; F02D41/1439; F02D41/1444; F02D41/1452; F02D41/1453; F02M; F02M7/00; F02M7/12; F02M7/18; F02M7/20; Y; Y10; Y10S; Y10S261/00; Y10S261/74
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) | 1947-08-08 | 1948-02-07 | 1948-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-08 | 1952-02-07 | 1952-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-08 | 1956-02-07 | 1956-08-08 | $7700.00 | Window Closed / Lapsed |