US3203728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mount for tractor canopy
Assignee: Concrete Steel Corp
•
Filing: 1962-10-04
•
Granted: 1965-08-31
•
Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Donald L Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:27
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/13; B60R21/131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734708A
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US2735702A
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US1581325A
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US1930067A
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US2030550A
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US2118550A
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US2300226A
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US2644715A
Cited
US2805887A
Cited
US3036858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |