US2779607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer coupling with universal joint
Assignee: Individual
•
Filing: 1954-04-19
•
Granted: 1957-01-29
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Edward W Milhizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:10
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/04; B60D; B60D1/00; F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR463518A
Cited
US2027499A
Cited
GB453944A
Cited
US2133065A
Cited
US2457885A
Cited
US2435019A
Cited
US2605115A
Cited
US2650103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |