Patent US2747537A successfully refreshed from Google Patents.
US2747537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shiphold mounting of elements adapted to work under torsion stress
Assignee: Individual
•
Filing: 1952-11-18
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Granted: 1956-05-29
•
Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Kummerman Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191311867A
Cited
US1474745A
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US1826728A
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US1782893A
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US2009149A
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US2042932A
Cited
GB432925A
Cited
US2231487A
Cited
US2414094A
Cited
US2541898A
Cited
US2541864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |