US2736273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Goldberg
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
•
Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:29
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US353884A
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US487743A
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US525488A
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US224984A
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US1801332A
Cited
US1801137A
Cited
US2115038A
Cited
US2265178A
Cited
US2223746A
Cited
US2300665A
Cited
US2291116A
Cited
US2335216A
Cited
US2349684A
Cited
US2331752A
Cited
US2363259A
Cited
US2407004A
Cited
US2363405A
Cited
US2642817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |