US3064746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow tractor
Assignee: Doosan Bobcat North America Inc
•
Filing: 1958-04-14
•
Granted: 1962-11-20
•
Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 William A Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:33
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1942181A
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US1972224A
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US1991577A
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US2091652A
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US2090721A
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US2095344A
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US2199517A
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US2409552A
Cited
US2602518A
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US2448172A
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US2694460A
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US2727639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |