Patent US3526484A successfully refreshed from Google Patents.
US3526484A
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US
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Polymer finishing apparatus
Assignee: EIDP Inc
•
Filing: 1968-05-17
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Granted: 1970-09-01
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Expires: 1988-05-17
Abstract
No abstract record available.
Inventors
- 👤 Lester Louis Kilpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:21
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01F; B01F27/00; B01F27/05; B01F27/09; B01F27/092; C; C08; C08G; C08G63/00; C08G63/78; C08G63/785; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1143743A
Cited
GB351328A
Cited
US2240376A
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US2869838A
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US3253892A
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US3248180A
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US3279894A
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US3358422A
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US3395746A
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US3411718A
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US3442065A
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US3447582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |