US2525864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making adhesive tape
Assignee: WILLIAM M SCHOLL
•
Filing: 1947-08-07
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Granted: 1950-10-17
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Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Carter Edward John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:55
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/08; B32B38/18; B32B38/1825; C; C09; C09J; C09J7/00; C09J7/20; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2848; Y10T428/2852; Y10T428/2878; Y10T428/2883; Y10T428/2891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF MAKING PRESSURE SENSITIVE ADHESIVE TAPE WHICH COMPRISES DEPOSITING A LAYER OF A SOLUTION OF A FILM-FORMING RESIN UPON A TRAVELING FLEXIBLE CASLTING SURFACE, FLEXING SAID CASTING SURFACE OVER A CYLINDRICAL SUPPORT WITH SAID LAYER OUTERMOST, TENSIONING A STRIP OF BIBULOUS PAPER AGAINST SAID LAYER WHILE SAID CASTING SURFACE IS BACKED BY SAID SUPPORT TO THEREBY FORCE SAID RESIN SOLUTION INTO AND THROUGH THE INTERSTICES OF SAID PAPER, EVAPORATING THE SOLVLENT FROM SLAID RESIN SOLUTION WHILE SAID STRIP IS ON SAID CASTING SURFACE TO FORM A PAPER-REINFORCED RESIN FILM, DEPOSITING A PRESSURE-SENSITIVE ADHESIVE ON SAID RESIN FILM WHILE SAID STRIP IS TILL ON SAID CASLTING SURFACE, AND STRIPPING THE RESULTING STRUCTURE FROM SAID CASTING SURFACE.
Claim 2
Independent Claim
117 words
A METHOD OF MAKING PRESSURE SENSITIVE ADHESIVE TAPE WHICH COMPRISES DEPOSITING A LAYER OF A SOLUTION OF A FILM-FORMING RESIN UPON A TRAVELING FLEXIBLE CASLTING SURFACE, FLEXING SAID CASTING SURFACE OVER A CYLINDRICAL SUPPORT WITH SAID LAYER OUTERMOST, TENSIONING A STRIP OF BIBULOUS PAPER AGAINST SAID LAYER WHILE SAID CASTING SURFACE IS BACKED BY SAID SUPPORT TO THEREBY FORCE SAID RESIN SOLUTION INTO AND THROUGH THE INTERSTICES OF SAID PAPER, EVAPORATING THE SOLVLENT FROM SLAID RESIN SOLUTION WHILE SAID STRIP IS ON SAID CASTING SURFACE TO FORM A PAPER-REINFORCED RESIN FILM, DEPOSITING A PRESSURE-SENSITIVE ADHESIVE ON SAID RESIN FILM WHILE SAID STRIP IS TILL ON SAID CASLTING SURFACE, AND STRIPPING THE RESULTING STRUCTURE FROM SAID CASTING SURFACE.
References Cited (Backward Citations)
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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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |