US2563919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container truck with selective ground engaging auxiliary wheels
Assignee: ROLL RITE CORP
•
Filing: 1947-06-16
•
Granted: 1951-08-14
•
Expires: 1967-06-16
Abstract
No abstract record available.
Inventors
- 👤 Carl O Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:55
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/12; B65D90/18; B62; B62B; B62B2301/00; B62B2301/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US687957A
Cited
US721610A
Cited
US1241355A
Cited
GB117178A
Cited
US1745258A
Cited
US1738548A
Cited
US1911924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |