Patent US5693091A successfully refreshed from Google Patents.
Patent US3416952A successfully refreshed from Google Patents.
US3416952A
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Surface modifying treatment of shaped articles made from polyesters
Assignee: Imperial Chemical Industries Ltd
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Filing: 1964-05-25
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Granted: 1968-12-17
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Mcintyre James Eric
- 👤 Robertson Michael Mundie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:13
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/68; C08G63/685; C08G63/6854; C08G63/688; C08G63/6884; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/05; C09; C09D; C09D167/00; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; D06M15/5075; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2823421A
Cited
US3190718A
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US3284232A
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US3217035A
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US3236685A
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US3181969A
Cited
US3309222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |