US3062683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber-reinforced pressure-sensitive adhesives and tapes
Assignee: 3M Co
•
Filing: 1959-07-23
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Granted: 1962-11-06
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Melvin O Kalleberg
- 👤 Charles E Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:05
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/30; C09J7/38; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/29; Y10T428/2904; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISED OF A BACKING CARRYING A FIBER-REINFORCED NORMALLY AND AGGRESSIVELY TACKY VISOELASTIC PRESSURE-SENSITIVE ADHESIVE LAYER FORMED OF A DRIED COATING OF A PREMIXED SOLUTION OF ADHESIVE IN A VOLATILE VEHICLE CONTAINING EXTRUDED STAPLE REINFORCING FIBERS DISPERSED THEREIN IN A FREE EXTENDED STATE, SAID FIBERS HAVING A DIAMETER IN THE RANGE OF ABOUT 1 TO 25 MICRONS AND A LENGTH IN THE RANGE OF ABOUT 1/4 TO 11/2 INCHES AND BEING PRESENT IN A DRY WEIGHT PROPORTION OF ABOUT 1/2 TO 30%, THE FIBERS BEING DISPERSED WITHIN SAID DRIED ADHESIVE LAYER IN A FRE EXTENDED STATE AND IMPARTING THERETO A SUBSTANTIAL DEGREE OF TENSILE STRENGTH AND TEAR RESISTANCEE.
References Cited (Backward Citations)
US1270250A
Cited
US2838421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |