US2992335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for automatically starting and stopping internal combustion engines in cold weather
Assignee: Individual
•
Filing: 1960-02-08
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Granted: 1961-07-11
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Boucher Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |