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US2551066A
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Ship mounted crane
Assignee: LAKE SHORE ENGINEERING Co
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Filing: 1947-07-03
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Granted: 1951-05-01
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Expires: 1967-07-03
Abstract
No abstract record available.
Inventors
- 👤 James W Speer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:28
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/10; B63B27/12; B66; B66C; B66C7/00; B66C2700/00; B66C2700/01; B66C2700/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US853842A
Cited
US1292097A
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US1367907A
Cited
US1703153A
Cited
US2351478A
Cited
US2456104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |