US3090717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of laminating sheets
Assignee: Ditto Inc
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Filing: 1960-02-08
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Granted: 1963-05-21
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Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Walter A Raczynski
- 👤 Martin R Leven
- 👤 Jr Charles J Voss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:04
CPC Classifications
B; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF LAMINATING A FLEXIBLE FILM TO SHEET MATERIAL, SAID FILM HAVING A THEROPLASTIC COATED SURFACE, THE STEPS WHICH INCLUDE THE FORMATION OF A SUB-ASSEMBLY WHEREIN THE COATED SURFACE OF THE FILM IS IN CONTACT WITH ONE SURFACE OF THE SHEET MATERIAL, FORMING A COMPLETE ASSEMBLY BY ADDING TO THE SUB-ASSEMBLY AN INFRARED ADSORBING HEAT GENERATING SHEET WITH THE FILM BEING INTERPOSED BETWEEN THE SHEET MATERIAL AND THE SAID SHEET, SAID SHEET BEING CAPABLE OF GENERATING HEAT WHEN EXPOSED TO INFRARED RADIATIONS, MAINTAINING THE ELEMENTS OF THE COMPLETE ASSEMBLY IN FIXED RELATIONSHIP AND IN A CONDITION
Claim 2
Independent Claim
97 words
THE METHOD OF LAMINATING A FLEXIBLE FILM TO SHEET MATERIAL, SAID FILM HAVING A THEROPLASTIC COATED SURFACE, THE STEPS WHICH INCLUDE THE FORMATION OF A SUB-ASSEMBLY WHEREIN THE COATED SURFACE OF THE FILM IS IN CONTACT WITH ONE SURFACE OF THE SHEET MATERIAL, FORMING A COMPLETE ASSEMBLY BY ADDING TO THE SUB-ASSEMBLY AN INFRARED ADSORBING HEAT GENERATING SHEET WITH THE FILM BEING INTERPOSED BETWEEN THE SHEET MATERIAL AND THE SAID SHEET, SAID SHEET BEING CAPABLE OF GENERATING HEAT WHEN EXPOSED TO INFRARED RADIATIONS, MAINTAINING THE ELEMENTS OF THE COMPLETE ASSEMBLY IN FIXED RELATIONSHIP AND IN A CONDITION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |