Patent US4866598A successfully refreshed from Google Patents.
Patent US3488302A successfully refreshed from Google Patents.
US3488302A
Expired / Lapsed
US
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Ambient temperature stable mixture of isocyanate prepolymer and solid polyol
Assignee: Individual
•
Filing: 1966-06-20
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Granted: 1970-01-06
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Charles Odus Pyron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:51
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/64; C08G18/6484; C08G18/08; C08G18/10; C08G18/30; C08G18/32; C08G18/3203; C08G18/3218; C08G18/62; C08G18/6212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3274160A
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US3310533A
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US3165508A
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US3280048A
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US3321419A
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US3386931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |