US2472989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable truck
Assignee: Individual
•
Filing: 1946-05-02
•
Granted: 1949-06-14
•
Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 Skipper James
- 👤 Marble Howard
- 👤 Frisell Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:33
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US385181A
Cited
US801123A
Cited
US1234667A
Cited
US1300567A
Cited
US1434572A
Cited
US1728839A
Cited
US1916850A
Cited
GB475746A
Cited
US2147764A
Cited
US2263879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |