US3390896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch
Assignee: JAMES E PHILAPY
•
Filing: 1966-05-13
•
Granted: 1968-07-02
•
Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 James E Philapy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/488; B60D1/01; B60D1/06; Y; Y10; Y10S; Y10S280/00; Y10S280/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416921A
Cited
US2436485A
Cited
US2925286A
Cited
US3166141A
Cited
GB989175A
Cited
US3164398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |