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US3486641A
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Bulk loader,unloader,and cargo container handling crane and method
Assignee: Fruehauf Corp
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Filing: 1969-01-27
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Granted: 1969-12-30
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Expires: 1989-01-27
Abstract
No abstract record available.
Inventors
- 👤 Charles H Zweifel
- 👤 Geoffrey H Crittenden
- 👤 Robert R Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:13
CPC Classifications
B; B66; B66C; B66C19/00; B66C19/002; B65; B65G; B65G67/00; B66C5/00; B66C5/02; B66C5/08; B65G2814/00; B65G2814/03; B65G2814/0397
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR920252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |