US2475174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer
Assignee: Individual
•
Filing: 1947-03-28
•
Granted: 1949-07-05
•
Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Boone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:20
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62D63/062; B62D63/065; B62D13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US767911A
Cited
US1201800A
Cited
US1336735A
Cited
US1460564A
Cited
US1538054A
Cited
US2345945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |