Patent US3536642A successfully refreshed from Google Patents.
US3536642A
Expired / Lapsed
US
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Process of producing a controllable rise in viscosity of an uncured polyester resin compound and composition therefrom
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1969-07-30
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Granted: 1970-10-27
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Expires: 1989-07-30
Abstract
No abstract record available.
Inventors
- 👤 Ervin J Williger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:15
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2843556A
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US2933475A
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US3112283A
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DE1137551B
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US3055869A
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US3124550A
Cited
US3219604A
Cited
US3396128A
Cited
US3390205A
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US3450729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |