US3236391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterweight system for tractors having side-mounted attachments
Assignee: Superior Equipment Co
•
Filing: 1964-02-24
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Granted: 1966-02-22
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Harry M Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:00
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/72; B66C23/74; B66C23/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125324A
Cited
US2493602A
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US2693250A
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US2891681A
Cited
US2960068A
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US3071254A
Cited
US3033219A
Cited
US3153911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |