US3477970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigmented paper coating and adhesive compositions containing a polyvinyl alcohol binder and a modifier therefor
Assignee: EIDP Inc
•
Filing: 1962-09-04
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Granted: 1969-11-11
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Robert H Beeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:26
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/60; C; C09; C09J; C09J129/00; C09J129/02; C09J129/04; D21H19/38; D21H19/385; D21H19/40; D21H19/52; D21H19/58; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2251296A
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US2256853A
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US2487448A
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US3057811A
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US3081198A
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US3298862A
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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 |