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US2742865A
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Assignee: Individual
•
Filing: 1953-02-17
•
Granted: 1956-04-24
•
Expires: 1973-02-17
Abstract
No abstract record available.
Inventors
- 👤 Murray L Chandler
- 👤 Leon J Lichtenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:14
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/28; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US170024A
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US546518A
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US932398A
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US1016353A
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US1185804A
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US2032591A
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US2101678A
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US2168126A
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US2353017A
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US2481755A
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US2560695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |