Patent US3108977A successfully refreshed from Google Patents.
US3108977A
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US
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Composition comprising polycarbonate and sucrose ester and cellulosic web coated therewith
Assignee: Champion Papers Inc
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Filing: 1960-11-18
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Granted: 1963-10-29
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Expires: 1980-11-18
Abstract
No abstract record available.
Inventors
- 👤 Edmund A Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:49
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1545; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/3179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A CELLULOSIC WEB CONTAINING ON AT LEAST ONE SURFACE THEREOF A SOLID PLASTIC FILM CONTAINING 1 TO 120 PARTS BY WEIGHT OF AT LEAST ONE SUCROSE ESTER HAVING AT LEAST FOUR ALKANOATE GROUPS OF THE FORMULA
Claim 2
Dependent Claim
36 words
A CELLULOSIC WEB CONTAINING ON AT LEAST ONE SURFACE THEREOF A SOLID PLASTIC FILM CONTAINING 1 TO 120 PARTS BY WEIGHT OF AT LEAST ONE SUCROSE ESTER HAVING AT LEAST FOUR ALKANOATE GROUPS OF THE FORMULA
References Cited (Backward Citations)
CA578585A
Cited
US2035578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |