US2841246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship's overside elevator
Assignee: Shell Development Co
•
Filing: 1954-07-22
•
Granted: 1958-07-01
•
Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Lamb John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:33
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/14; B63B27/146; B66; B66B; B66B9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE507028A
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US793355A
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US786641A
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US2479321A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |