Patent US3068034A successfully refreshed from Google Patents.
US3068034A
Expired / Lapsed
US
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Rapid loading cargo release hook
Assignee: EASTERN ROTOCRAFT CORP
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Filing: 1959-06-17
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Granted: 1962-12-11
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Expires: 1979-06-17
Abstract
No abstract record available.
Inventors
- 👤 Harris S Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:40
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732246A
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US1869506A
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US2014557A
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US2359275A
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US2505707A
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US2904369A
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US2868581A
Cited
FR1174815A
Cited
US3016257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |