US3434903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a pressure sensitive sealing strip
Assignee: Tremco LLC
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Filing: 1966-02-07
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Granted: 1969-03-25
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Hann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:57
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/83; B29C66/834; B29C66/8341; B29C66/83441; B60; B60J; B60J10/00; B60J10/70; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4825; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1476; Y10T428/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A METHOD OF PRODUCING A PRESSURE SENSITIVE, ADHESIVE SEALING STRIP, SAID METHOD COMPRISING THE STEPS OF: (A) PROVIDING A LENGTH OF RELEASE PAPER HAVING A WIDTH B, AN UPPER SURFACE AND LOWER SURFACE, SAID SURFACES BEING ADAPTED TO ADHERE WITH A PRESSURE SENSITIVE ADHESIVE; (B) FORMING AN ELONGATED, RESILIENT DAM HAVING A BOTTOM, GENERALLY FLAT SURFACE AND AN UPSTANDING SEALING LIP; (C) ADHERING SAID DAM ONTO ONE SIDE OF SAID UPPER SURFACE OF SAID PAPER WITH SAID LIP FORMING A RETAINING ABUTMENT; (D) EXTRUDING A PRESSURE SENSITIVE, PLIABLE CUSHION SEAL GENERALLY CENTRALLY ALONG SAID UPPER SURFACE OF SAID PAPER AND AGAINST SAID ABUTMENT; AND, (E) PRESSING SAID SEAL AGAINST SAID ABUTMENT IMMEDIATELY SUBSEQUENT TO EXTRUSION ONTO SAID PAPER.
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |