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US2797461A
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Assignee: AMERICAN KLEER VU PLASTICS Inc
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Filing: 1954-08-13
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Granted: 1957-07-02
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Expires: 1974-08-13
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Osher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:56
CPC Classifications
B; B42; B42F; B42F11/00; B42F11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US186216A
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US563525A
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US1044765A
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US1063375A
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US1542124A
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US1683238A
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US2540422A
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US2750642A
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US2779987A
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US2767452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |