US2835241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starting device
Assignee: Individual
•
Filing: 1955-09-16
•
Granted: 1958-05-20
•
Expires: 1975-09-16
Abstract
No abstract record available.
Inventors
- 👤 Jerry R Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/02; F; F02; F02N; F02N11/00; F02N11/14; F02B; F02B2275/00; F02B2275/08; F02N3/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20232
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |