Patent US2844404A successfully refreshed from Google Patents.
US2844404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable link assembly for a crane hook
Assignee: Individual
•
Filing: 1953-10-29
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Granted: 1958-07-22
•
Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Allen S Haugh
- 👤 George M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:45
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US199955A
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US672303A
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US1218531A
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US1831346A
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US1956614A
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US2492172A
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US2596502A
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US2629625A
Cited
US2662708A
Cited
US2711762A
Cited
US2721049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |