US3474925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cargo handling apparatus
Assignee: COCHRAN WESTERN CORP
•
Filing: 1967-12-04
•
Granted: 1969-10-28
•
Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Duane N Mccartney
- 👤 Arnold Duerksen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:36
CPC Classifications
B; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0398
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1522967A
Cited
US1996618A
Cited
US2262833A
Cited
US3035717A
Cited
US3215227A
Cited
US3190464A
Cited
US3370727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |