US2691533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load-distributing arrangement for tractor-trailer combinations
Assignee: Individual
•
Filing: 1950-06-16
•
Granted: 1954-10-12
•
Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Marshall D Koontz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:20
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321561A
Cited
US1876498A
Cited
US1164310A
Cited
DE498399C
Cited
US1821395A
Cited
US2159721A
Cited
US2259923A
Cited
US2493874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |