US2830003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive tape
Assignee: American Biltrite Inc
•
Filing: 1955-11-25
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Granted: 1958-04-08
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 James N Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:25
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/205; C09J7/21; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/1087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE PROCESS OF MAKING EASILY TEARABLE WOVEN FABRICBACKED PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING PASSING A WEB OF WOVEN CELLULOSIC FABRIC THROUGH A TREATING BATH OF A TREATING SOLUTION COMPRISING A REAGENT REACTIVE WITH CELLULOSE TO CAUSE DEGRADATION AND WEAKENING OF THE FABRIC AND MAINTAINING SAID SOLUTION IN CONTACT WITH SAID FABRIC UNTIL THE TENSILE STRENGTH OF SAID FABRIC HAS BEEN REDUCED BY FROM ABOUT 10 TO 25 PERCENT OF ITS ORIGINAL TENSILE STRENGTH, WHEREBY A FABRIC OF THE DESIRED DIMENSIONS BUT OF GREATLY REDUCED STRENGTH IS PRODUCED, RINSING AND DRYING THE FABRIC, APPLYING A SURFACE LAYER OF A PRESSURE-SENSITIVE ADHESIVE COMPOSITION TO THE FABRIC, WINDING THE FABRIC WITH A LINER WEB INTO A ROLL AND CUTTING THE FABRIC ROLL INTO SEPARATE ROLLS OF TAPE.
Claim 2
Dependent Claim
124 words
THE PROCESS OF MAKING EASILY TEARABLE WOVEN FABRICBACKED PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING PASSING A WEB OF WOVEN CELLULOSIC FABRIC THROUGH A TREATING BATH OF A TREATING SOLUTION COMPRISING A REAGENT REACTIVE WITH CELLULOSE TO CAUSE DEGRADATION AND WEAKENING OF THE FABRIC AND MAINTAINING SAID SOLUTION IN CONTACT WITH SAID FABRIC UNTIL THE TENSILE STRENGTH OF SAID FABRIC HAS BEEN REDUCED BY FROM ABOUT 10 TO 25 PERCENT OF ITS ORIGINAL TENSILE STRENGTH, WHEREBY A FABRIC OF THE DESIRED DIMENSIONS BUT OF GREATLY REDUCED STRENGTH IS PRODUCED, RINSING AND DRYING THE FABRIC, APPLYING A SURFACE LAYER OF A PRESSURE-SENSITIVE ADHESIVE COMPOSITION TO THE FABRIC, WINDING THE FABRIC WITH A LINER WEB INTO A ROLL AND CUTTING THE FABRIC ROLL INTO SEPARATE ROLLS OF TAPE.
References Cited (Backward Citations)
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US1465093A
Cited
US1769611A
Cited
US1781896A
Cited
US2241384A
Cited
US2508855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |