Patent US2342062A successfully refreshed from Google Patents.
US3539658A
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Air drying polyurethane coating composition comprising organic polyisocyanate mixed with a resinous polyhydric alcohol having an organosilicon resinous material condensed therein
Assignee: DeSoto Inc
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Filing: 1967-11-13
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Granted: 1970-11-10
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Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 Kazys Sekmakas
- 👤 Frank Daar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:49
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/46; C08G18/4692; C08G18/61; C08G18/62; C08G18/6216; C08G18/622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3261881A
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US3318971A
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US3346664A
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US3400173A
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US3450791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |