Patent US3391056A successfully refreshed from Google Patents.
US3391056A
Expired / Lapsed
US
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Resin-coated fibrous sheet material and members prepared therefrom
Assignee: Hercules LLC
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Filing: 1964-12-02
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Granted: 1968-07-02
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Anderson E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:21
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/28; B; B32; B32B; B32B27/00; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199; C09; C09D; C09D167/00; C09D167/02; C09J; C09J167/00; C09J167/02; D21H27/00; D21H27/18; D21H27/22; D21H27/26; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24165; Y10T428/31504; Y10T428/31786; Y10T428/3179; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2049; Y10T442/2861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2623033A
Cited
US2604689A
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US2961365A
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US2977272A
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US3036913A
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US3088933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |