US2687312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow coupler
Assignee: Individual
•
Filing: 1951-08-03
•
Granted: 1954-08-24
•
Expires: 1971-08-03
Abstract
No abstract record available.
Inventors
- 👤 Floyd F Radford
- 👤 Irvin R Baber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:25
CPC Classifications
B; B64; B64D; B64D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US28623A
Cited
US565701A
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US854196A
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US1189981A
Cited
US1246666A
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US1408501A
Cited
US1465168A
Cited
US2248005A
Cited
US2556117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |