Patent US3462172A successfully refreshed from Google Patents.
US3462172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power draw bar hitch
Assignee: Individual
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Filing: 1967-06-01
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Granted: 1969-08-19
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Expires: 1987-06-01
Abstract
No abstract record available.
Inventors
- 👤 Charles C Thor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:01
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/46; B60D1/465; A; A01; A01B; A01B59/00; A01B59/04; B60D1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |