US3658574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive tape and method of making same
Assignee: Nashua Corp
•
Filing: 1969-05-23
•
Granted: 1972-04-25
•
Expires: 1989-05-23
Abstract
Abstract A pressure sensitive adhesive tape having good electrical properties comprising a liquid permeable backing tape of cotton, glass fibers, rayon acetate, or the like, sufficiently impregnated with polyvinyl carhamate as a release agent that the opposite side of the strip are coated therewith, and any conventional thermoplastic adhesive material as a layer on at least one side of the backing tape.
Inventors
- 👤 Clement David Izzi
- 👤 Charles Roland Youngman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:10
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/2848; Y10T442/00; Y10T442/20; Y10T442/2311
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
A pressure sensitive adhesive tape comprising: a. a woven flexible liquid permeable backing strip of glass fibers; b. A low adhesion polyvinyl carbamate release coating permeated through on each side of said backing strip, and c. A pressure sensitive adhesive tape secured to said release coating on one side of said backing strip.
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) | 1975-04-25 | 1975-10-25 | 1976-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-25 | 1979-10-25 | 1980-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-25 | 1983-10-25 | 1984-04-25 | $7700.00 | Window Closed / Lapsed |