US2463744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane dolly
Assignee: Individual
•
Filing: 1946-03-06
•
Granted: 1949-03-08
•
Expires: 1966-03-06
Abstract
No abstract record available.
Inventors
- 👤 Clemens Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:41
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1224574A
Cited
FR465000A
Cited
US1261681A
Cited
US1637789A
Cited
GB401813A
Cited
US2259399A
Cited
US2277787A
Cited
US2414383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |