US3039633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loader mechanism
Assignee: Doosan Bobcat North America Inc
•
Filing: 1958-12-08
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Granted: 1962-06-19
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Mindrum
- 👤 Dale W Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:31
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/06; B60P1/08; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240564A
Cited
US2547269A
Cited
US2723129A
Cited
US2693288A
Cited
GB724135A
Cited
US2780475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |