US2990311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer
Assignee: Dennison Manufacturing Co
•
Filing: 1956-01-09
•
Granted: 1961-06-27
•
Expires: 1976-01-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Ridgley G Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:37
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1712; B44C1/172; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A HEAT TRANSFER FOR APPLYING A PRINTED DESIGN TO THIN IMPERVIOUS FILM WHICH COMPRISES A BACKING AND TRANSFER LAYER THEREON, SAID TRANSFER LAYER COMPRISING A UNIFORM MIXTURE OF A CRYSTALLINE WAX AND A SYNTHETIC, THERMOPLASTIC, FILM-FORMING RESIN WHEREIN EACH INGREDIENT IS PRESENT TO THE EXTENT OF AT LEAST 15% OF THEIR COMBINED WEIGHTS, AND FILM-FORMING RESIN CONSTITUTING THE MAJOR RESINOUS INGREDIENT IN SAID LAYER, SAID RESIN AND WAX BEING SUBSTANTIALLY INCOMPATIBLE AT TEMPERATURES BELOW THE MELTING POINT OF THE WAX, SAID LAYER BEING RECEPTIVE TO PRINTING, STRONGLY ADHERENT TO THE RECEIVING FILM, NON-BLOCKING AND HAVING THE PROPERTY OF SHARP BREAK-AWAY AT THE BOUNDARY OF HEAT APPLICATION, WHEREBY SUBSTANTIALLY THE WHOLE OF SAID LAYER WITHIN SAID BOUNDARY MAY BE TRANSFERRED WITH A SHARP OUTLINE AND WITHOUT SUBSTANTIAL DISTORTION.
Claim 2
Dependent Claim
127 words
A HEAT TRANSFER FOR APPLYING A PRINTED DESIGN TO THIN IMPERVIOUS FILM WHICH COMPRISES A BACKING AND TRANSFER LAYER THEREON, SAID TRANSFER LAYER COMPRISING A UNIFORM MIXTURE OF A CRYSTALLINE WAX AND A SYNTHETIC, THERMOPLASTIC, FILM-FORMING RESIN WHEREIN EACH INGREDIENT IS PRESENT TO THE EXTENT OF AT LEAST 15% OF THEIR COMBINED WEIGHTS, AND FILM-FORMING RESIN CONSTITUTING THE MAJOR RESINOUS INGREDIENT IN SAID LAYER, SAID RESIN AND WAX BEING SUBSTANTIALLY INCOMPATIBLE AT TEMPERATURES BELOW THE MELTING POINT OF THE WAX, SAID LAYER BEING RECEPTIVE TO PRINTING, STRONGLY ADHERENT TO THE RECEIVING FILM, NON-BLOCKING AND HAVING THE PROPERTY OF SHARP BREAK-AWAY AT THE BOUNDARY OF HEAT APPLICATION, WHEREBY SUBSTANTIALLY THE WHOLE OF SAID LAYER WITHIN SAID BOUNDARY MAY BE TRANSFERRED WITH A SHARP OUTLINE AND WITHOUT SUBSTANTIAL DISTORTION.
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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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |