US3550713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick exchange engine assembly
Assignee: Daimler Trucks North America LLC
•
Filing: 1968-10-18
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Granted: 1970-12-29
•
Expires: 1988-10-18
Abstract
No abstract record available.
Inventors
- 👤 Vernon H Swanson
- 👤 Charles E Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:10
CPC Classifications
B; B60; B60K; B60K5/00; B60K5/10; B62; B62D; B62D33/00; B62D33/06; B62D33/063; B62D33/067; Y; Y10; Y10S; Y10S464/00; Y10S464/901
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |