Patent US3442845A successfully refreshed from Google Patents.
US3442845A
Expired / Lapsed
US
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Hot and cold water redispersible polyvinyl acetate adhesives
Assignee: Hexion Inc
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Filing: 1966-11-04
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Granted: 1969-05-06
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Expires: 1986-11-04
Abstract
No abstract record available.
Inventors
- 👤 Peter Spiros Columbus
- 👤 Carl Reinhold Erikson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:40
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08L; C08L1/00; C08L1/08; C08L1/26; C08L1/28; C08L1/284; C08L1/286; C08L3/00; C08L31/00; C08L31/02; C08L31/04; C08L5/00; C08L5/04; C08L71/00; C08L71/02; C09J7/00; C09J7/10; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/26; C08L2666/28; C08L29/00; C08L29/02; C08L29/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |