US2035237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel saving device for internal combustion engines
Assignee: Individual
•
Filing: 1935-04-26
•
Granted: 1936-03-24
•
Expires: 1955-04-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Kushinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:30
CPC Classifications
F; F02; F02M; F02M23/00; F02M23/04; F02M23/06; F02M23/067; F02M23/08; F02M23/085; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S261/00; Y10S261/19
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) | 1939-03-24 | 1939-09-23 | 1940-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-24 | 1943-09-23 | 1944-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-24 | 1947-09-23 | 1948-03-24 | $7700.00 | Window Closed / Lapsed |