US2712945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft connection for trailer with castor wheels
Assignee: Individual
•
Filing: 1951-08-27
•
Granted: 1955-07-12
•
Expires: 1971-08-27
Abstract
No abstract record available.
Inventors
- 👤 Peterson Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/28; Y; Y10; Y10S; Y10S280/00; Y10S280/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US918161A
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US1088330A
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US1788391A
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US2085260A
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US2187411A
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US2252135A
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US2475174A
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US2570482A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |