Patent US3020170A successfully refreshed from Google Patents.
US3020170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer sheet and composition therefor
Assignee: Moore Business Forms Inc
•
Filing: 1960-10-12
•
Granted: 1962-02-06
•
Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 Macaulay Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:35
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/10; Y; Y10; Y10S; Y10S101/00; Y10S101/29; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249994; Y10T428/249995; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A TRANSFER SHEET COMPRISING A BASE SHEET COATED ON AT LEAST ONE FACE THEREOF WITH A PRESSURE-RUPTURABLE CONTINUOUS FILM OF A FILM-FORMER CONSISTING ESSENTIALLY BY WEIGHT OF A CYCLIZED RUBBER RESIN, SAID FILM HAVING HOMOGENEOUSLY DISPERSED THRETHROUGH GLOBULES OF A MARKING FLUID HAVING AN AVERAGE DIAMETER OF LESS THAN ABOUT 20 MICRONS, THE TOTAL WEIGHT OF SAID FLUID HAVING A RATIO TO THE WEIGHT OF SAID FILM-FORMER WITHIN THE RANGE OF ABOUT 1:3 TO ABOUT 3:1, SAID MARKING FLUID BEING COMPRISED ESSENTIALLY OF ABOUT 10-30% BY WEIGHT OF A COLORANT AND THE REMAINDER OF A LIQUID CARRIER FOR SAID COLORANT, SAID CARRIER BEING AN ESSENTIALLY NON-VOLATILE LIQUID IN WHICH SAID RESIN IS SUBSTANTIALLY NON-SOLUBLE.
Claim 2
Dependent Claim
114 words
A TRANSFER SHEET COMPRISING A BASE SHEET COATED ON AT LEAST ONE FACE THEREOF WITH A PRESSURE-RUPTURABLE CONTINUOUS FILM OF A FILM-FORMER CONSISTING ESSENTIALLY BY WEIGHT OF A CYCLIZED RUBBER RESIN, SAID FILM HAVING HOMOGENEOUSLY DISPERSED THRETHROUGH GLOBULES OF A MARKING FLUID HAVING AN AVERAGE DIAMETER OF LESS THAN ABOUT 20 MICRONS, THE TOTAL WEIGHT OF SAID FLUID HAVING A RATIO TO THE WEIGHT OF SAID FILM-FORMER WITHIN THE RANGE OF ABOUT 1:3 TO ABOUT 3:1, SAID MARKING FLUID BEING COMPRISED ESSENTIALLY OF ABOUT 10-30% BY WEIGHT OF A COLORANT AND THE REMAINDER OF A LIQUID CARRIER FOR SAID COLORANT, SAID CARRIER BEING AN ESSENTIALLY NON-VOLATILE LIQUID IN WHICH SAID RESIN IS SUBSTANTIALLY NON-SOLUBLE.
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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |