Patent US2672978A successfully refreshed from Google Patents.
US2672978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making adhesive tape
Assignee: Motors Liquidation Co
•
Filing: 1950-12-28
•
Granted: 1954-03-23
•
Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Hickox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:51
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
AS AN ARTICLE OF MANUFACTURE, A ROLL OF TAPE IN WHICH THE ADJACENT CONVOLUTIONS OF THE ROLL ADHERE IN A NON-FUSED RELATIONSHIP SUFFICIENTLY TO WITHSTAND UNWINDING DUE TO THE SUSPENDED WEIGHT OF THE ROLL ITSELF, SAID TAPE BEING FORMED SOLELY OF A THERMOPLASTIC MATERIAL CONSISTING ESSENTIALLY OF A PLASTICIZED POLYVINYL CHLORIDE RESIN THE SURFACES OF WHICH ARE MADE ADHESIVE BY THE LIMITED APPLICATION OF HEAT, SAID CONVOLUTIONS BEING UNDER A PREDETERMINED PRESSURE DUE TO ELASTIC DEFORMATION OF SAID TAPE DURING ASSEMBLY
References Cited (Backward Citations)
US2093087A
Cited
US1930995A
Cited
US2119163A
Cited
GB440776A
Cited
US2219700A
Cited
US2395668A
Cited
US2406127A
Cited
US2553816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |