Patent US3478075A successfully refreshed from Google Patents.
US3478075A
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Terpolymers containing polysiloxane,polyoxyalkylene,and polyvinyl ester blocks
Assignee: Imperial Chemical Industries Ltd
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Filing: 1965-12-20
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Granted: 1969-11-11
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 James Jack
- 👤 Ronald Sangster Stuart
- 👤 John Beckett Plumb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:08
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08G; C08G77/00; C08G77/42; C08G77/46; C08L; C08L83/00; C08L83/10; C08L83/12; C08J2375/00; C08J2375/04; C08J2483/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3033841A
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US3189549A
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US3170894A
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US3133111A
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US3299112A
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US3305504A
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US3342766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |