US3131080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermographic transfer sheet comprising selective radiation filtering means
Assignee: Individual
•
Filing: 1960-11-09
•
Granted: 1964-04-28
•
Expires: 1980-11-09
Abstract
No abstract record available.
Inventors
- 👤 Robert B Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:15
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38207; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S430/00; Y10S430/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A TRANSFER SHEET FOR THERMOGRAPHIC COPYING IN WHICH THE TRANSFER SHEET IS EXPOSED TO THE DIRECT RADIATION OF A SOURCE OF RADIATION, SAID SHEET COMPRISING; A RELATIVELY TRANSPARENT PAPER BODY FOR SAID SHEET; MEANS IN THE BODY OF SAID SHEET FOR FILTERING OUT OF SAID RADIATION THE PORTIONS THEREOF WHICH DO NOT READILY PENETRATE PAPER; MEANS INCLUDING A TRANSPARENT COATING ON SAID BODY FOR MAINTAINING THE INCREASE IN TEMPERATURE IN SAID TRANSFER SHEET DUE TO ABSORPTION OF SAID FILTERING RADIATION RELATIVELY UNIFORMLY THROUGH SAID SHEET; AND A RELATIVELY TRANSPARENT DYED WAX COATING ON THE OPPOSITE SIDE OF SAID SHEET FROM SAID TRANSPARENT COATING.
Claim 2
Dependent Claim
103 words
A TRANSFER SHEET FOR THERMOGRAPHIC COPYING IN WHICH THE TRANSFER SHEET IS EXPOSED TO THE DIRECT RADIATION OF A SOURCE OF RADIATION, SAID SHEET COMPRISING; A RELATIVELY TRANSPARENT PAPER BODY FOR SAID SHEET; MEANS IN THE BODY OF SAID SHEET FOR FILTERING OUT OF SAID RADIATION THE PORTIONS THEREOF WHICH DO NOT READILY PENETRATE PAPER; MEANS INCLUDING A TRANSPARENT COATING ON SAID BODY FOR MAINTAINING THE INCREASE IN TEMPERATURE IN SAID TRANSFER SHEET DUE TO ABSORPTION OF SAID FILTERING RADIATION RELATIVELY UNIFORMLY THROUGH SAID SHEET; AND A RELATIVELY TRANSPARENT DYED WAX COATING ON THE OPPOSITE SIDE OF SAID SHEET FROM SAID TRANSPARENT COATING.
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |