US3043737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: ENBEE TRANSPARENT SPECIALTY CO
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Filing: 1957-05-06
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Granted: 1962-07-10
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Engelstein Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:50
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/02; B42F7/025; B29; B29C; B29C65/00; B29C65/48; B29C65/50; B29C65/5057; B29C65/52; B29C65/526; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/135; B29C66/1352; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/71; B29C66/73; B29C66/733; B29C66/7336; B29C66/73365; B29C66/73366; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/836; B42P; B42P2241/00; B42P2241/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T156/1052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB570942A
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DE11791C
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US1745119A
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US1733305A
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US1937327A
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GB524275A
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US2435221A
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US2701223A
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US2700009A
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US2726187A
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FR1123253A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |