US2592219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch dolly
Assignee: Individual
•
Filing: 1950-05-31
•
Granted: 1952-04-08
•
Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Leonard R West
- 👤 Overby B Sterett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:09
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/28; B60D1/58; B60D1/66; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62D53/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1849041A
Cited
US2191359A
Cited
US2347524A
Cited
US2463746A
Cited
US2500686A
Cited
US2463926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |