US2991890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side boom attachment for tractors
Assignee: SUPERLOR EQUIPMENT Co
•
Filing: 1959-05-14
•
Granted: 1961-07-11
•
Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Harry M Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:03
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/44; B60; B60P; B60P1/00; B60P1/54; B60P1/5404; B60P1/5423; B60P1/5428; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US710472A
Cited
US2400803A
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US2602551A
Cited
US2717701A
Cited
US2740535A
Cited
US2858944A
Cited
US2909290A
Cited
FR1168351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |