US3248403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha, omega-bifunctional polythiomethylene compounds
Assignee: EIDP Inc
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Filing: 1962-03-27
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Granted: 1966-04-26
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 Klaus A Saegebarth
- 👤 John J Verbanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:17
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C07C; C07C321/00; C07C323/00; C07D303/34; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/64; C08G18/6453; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/302; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08G63/6886; C08G69/00; C08G69/42; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08G75/12; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2462; C10L1/2475; C10L1/2481; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2552510A
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US2434099A
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US2522512A
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US2562844A
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US2605223A
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US2877153A
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US2998346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |