US3634260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleaching packets
Assignee: Colgate Palmolive Co
•
Filing: 1970-02-09
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Granted: 1972-01-11
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Expires: 1990-02-09
Abstract
Abstract A PACKET FOR CHLORINE-CONTAINING BLEACH COMPOSITIONS WHEREIN THE COMPOSITION IS ENVELOPED BY A FILM OF POLYVINYL ALCOHOL PREPARED BY THE HYDROLYSIS OF POLYVINYL ACETATE AND WHICH FILM CONTAINS FROM ABOUT 12-40% BY WEIGHT OF UNHYDROLYZED VINYL ACETATE.
Inventors
- 👤 John Harlan Pickin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:43
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3953; C11D17/00; C11D17/04; C11D17/041; C11D17/042; C11D17/044; C11D3/40; C11D3/42
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |