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US2540664A
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Assignee: Individual
•
Filing: 1946-02-20
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Granted: 1951-02-06
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Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Gluckman Maxfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:59
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/0018; A47F5/0025; A47B; A47B88/00; A47B88/40; A47B88/417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US448548A
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US842613A
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US1189371A
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US1410605A
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US1348262A
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US1644001A
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US1961394A
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US2125856A
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US2192102A
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US2350463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |