US3482561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: EMT ENTERPRISES
•
Filing: 1968-06-03
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Granted: 1969-12-09
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Expires: 1988-06-03
Abstract
No abstract record available.
Inventors
- 👤 Earl M Trammell Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:38
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16C; F16C3/00; F16C3/04; F16C3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |