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US3468973A
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US
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Copolymer composition for coating and impregnating purposes
Assignee: Rohm and Haas Co
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Filing: 1966-01-18
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Granted: 1969-09-23
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Expires: 1986-01-18
Abstract
No abstract record available.
Inventors
- 👤 William D Emmons
- 👤 Andrew Mercurio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:52
CPC Classifications
C; C09; C09D; C09D135/00; C08; C08L; C08L61/00; C08L61/20; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/066; C09D133/24; C09D133/26; C09D167/00; C09D167/08; C08L61/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3342893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |