Patent US2722907A successfully refreshed from Google Patents.
US2722907A
Expired / Lapsed
US
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Vessel towing assembly
Assignee: Nashville Bridge Co
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Filing: 1952-08-12
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Granted: 1955-11-08
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Expires: 1972-08-12
Abstract
No abstract record available.
Inventors
- 👤 Harry B Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/56; B63B21/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US100197A
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US238671A
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US320670A
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DE635569C
Cited
GB189810994A
Cited
GB122357A
Cited
US1356218A
Cited
GB327939A
Cited
US2533972A
Cited
GB646463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |