US3214502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making adhesive tapes
Assignee: Kendall Co
•
Filing: 1962-01-15
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Granted: 1965-10-26
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Charles H Schaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/24; A; A61; A61F; A61F13/00; A61F13/02; A61F13/023; A61F13/0246; A61F13/0276; A61F13/0283; B26D; B26D7/00; B26D7/08; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/28; Y10T428/2839; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/283; Y10T83/293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF PERFORATING THE ADHESIVE LAYER OF AN ADHESIVE TAPE, SAID TAPE COMPRISING A FLEXIBLE BACKING AND A COATING OF A PRESSURE-SENSITIVE ADHESIVE LAYER, SAID ADHESIVE LAYER FACED WITH A RELEASABLE FACING SHEET, COMPRISING: SUBJECTING PORTIONS OF SAID ADHESIVE LAYER TO HEAT AND PRESSURE RENDERING THE ADHESIVE PORTIONS FLOWABLE BETWEEN SAID BACKING AND FACING SHEET AT THE AREAS OF APPLIED PRESSURE AND DISPLACING THE FLOWABLE PORTIONS OF THE ADHESIVE LATERALLY BETWEEN SAID BACKING AND SAID FACING SHEET RADIALLY FROM THE AREAS OF APPLIED PRESSURE; AND ACCUMULATING SAID PORTIONS OF THE ADHESIVE IN THE LAYER AROUND THE AREAS OF APPLIED PRESSURE.
Claim 2
Independent Claim
101 words
THE METHOD OF PERFORATING THE ADHESIVE LAYER OF AN ADHESIVE TAPE, SAID TAPE COMPRISING A FLEXIBLE BACKING AND A COATING OF A PRESSURE-SENSITIVE ADHESIVE LAYER, SAID ADHESIVE LAYER FACED WITH A RELEASABLE FACING SHEET, COMPRISING: SUBJECTING PORTIONS OF SAID ADHESIVE LAYER TO HEAT AND PRESSURE RENDERING THE ADHESIVE PORTIONS FLOWABLE BETWEEN SAID BACKING AND FACING SHEET AT THE AREAS OF APPLIED PRESSURE AND DISPLACING THE FLOWABLE PORTIONS OF THE ADHESIVE LATERALLY BETWEEN SAID BACKING AND SAID FACING SHEET RADIALLY FROM THE AREAS OF APPLIED PRESSURE; AND ACCUMULATING SAID PORTIONS OF THE ADHESIVE IN THE LAYER AROUND THE AREAS OF APPLIED PRESSURE.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |