Patent US3682848A successfully refreshed from Google Patents.
US3682848A
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Resinous microporous transfer structure
Assignee: Buckeye Ribbon and Carbon Co
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Filing: 1970-04-20
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Granted: 1972-08-08
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Expires: 1990-04-20
Abstract
Abstract A RESINOUS, MICROPOROUS, RETICULATED TRANSFER STRUCTURE FOR ABSORBING AND SUBSEQUENTLY EXPRESSING A PREDETERMINED MATERIAL, SUCH AS INK, CHARACTERIZED BY HAVING A PORE SIZE SUFFICIENTLY LARGE TO ENABLE THE STRUCTURE TO BE REPEATEDLY RELOADED WITH THE MATERIAL AND YET SUFFICIENTLY SMALL TO AVOID OBJECTIONAL LEAKING AND EXUDATION OF THE MATERIAL.
Inventors
- 👤 Robert Craig Virnelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:07
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; A; A61; A61K; A61K8/00; A61K8/02; A61K8/0208; A61Q; A61Q19/00; B; B29; B29C; B29C67/00; B29C67/20; B29C67/202; B41; B41M; B41M5/00; B41M5/10; B41N; B41N7/00; B41N7/06; A61Q13/00; A61Q15/00; B41N2207/00; B41N2207/02; C08J2201/00; C08J2201/04; C08J2201/052; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |