US3738890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding a laminating film to a graphic art object
Assignee: Seal Products Inc
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Filing: 1971-04-08
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Granted: 1973-06-12
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Expires: 1991-04-08
Abstract
Abstract TO FORM A REDUCIBLE WORK-RECEIVING CHAMBER. MEANS ARE PROVIDED FOR HEATING THE PLATEN AND INDIRECTLY THE WORK AND FOR EVACUATING THE WORK-RECEIVING CHAMBER TO CAUSE THE WORK TO BE LAMINATED UNDER HEAT AND PRESSURE. A VACUUM PRESS ADAPTED FOR LAMINATING TRANSPARENT PROTECTIVE FILM TO PHOTOGRAPHS AND THE LIKE AND FOR DRYMOUNTING THE SAME TO SUITABLE SUBSTRATES OR BACKING MATRIALS. THE PRESS COMPRISES A BASE CHARACTERIZED BY A FLEXIBLE AIR-IMPERMEABLE WALL WHICH SUPPORTS THE WORK SHEETS AND A COVER ASSEMBLY HINGED TO THE BASE. THE COVER ASSEMBLY INCLUDES A PLATEN WHICH WHEN BROUGHT INTO EN GAGEMENT WITH THE BASE COOPERATES WITH THE FLEXIBLE WALL
Inventors
- 👤 T Johnson
- 👤 M Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:44
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/10; B32B37/1018; B30; B30B; B30B5/00; B30B5/02; G; G03; G03D; G03D15/00; G03D15/06; B29; B29C; B29C43/00; B29C43/32; B29C43/36; B29C43/3642; B29C2043/3644; B29C33/00; B29C33/20; B32B2425/00; B32B2429/00; B32B37/14; B32B37/16; B32B37/18; B32B37/182
Claims Analysis
Total Claims: 0
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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) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |