US2820559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary cargo vehicle for trucking vehicles
Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1958-01-21
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 John H Armitage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:15
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US671856A
Cited
US1280141A
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US1584517A
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US1942022A
Cited
US2033119A
Cited
US2298448A
Cited
US2351314A
Cited
US2664307A
Cited
US2736602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |