Patent US3216068A successfully refreshed from Google Patents.
US3216068A
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Seal
Assignee: Motors Liquidation Co
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Filing: 1961-03-30
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Granted: 1965-11-09
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Lyle N Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:09
CPC Classifications
B; B60; B60J; B60J10/00; B60J10/15; B60J10/16; Y; Y10; Y10S; Y10S264/00; Y10S264/60; Y10T; Y10T428/00; Y10T428/29; Y10T428/2902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SEALING STRIP COMPRISING A FOAMED FLEXIBLE POLYVINYL RESIN MAIN BODY PORTION HAVING A FLEXIBLE OUTER LAYER OF MOISTURE-IMPERVIOUS POLYVINYL RESIN INTEGRALLY FORMED AND FUSED THEREWITH, SAID MAIN BODY PORTION BEING FORMED OF A FOAMABLE PLASTISOL COMPRISING BETWEEN ABOUT 145 AND 155 PARTS BY WEIGHT OF A PLASTICIZER PER 100 PARTS BY WEIGHT OF POLYVINYL RESIN AND SMALL AMOUNTS OF A BLOWING AGENT AND SAID OUTER LAYER BEING FORMED OF A PLASTISOL COMPRISING 65 TO 85 PARTS BY WEIGHT OF A PLASTICIZER PER 100 PARTS BY WEIGHT OF A POLYVINYL RESIN, SAID OUTER LAYER FORMING AN EFFECTIVE BARRIER AGAINST THE EXUDATION OF PLASTICIZER FROM SAID MAIN BODY PORTION.
Claim 2
Dependent Claim
108 words
A SEALING STRIP COMPRISING A FOAMED FLEXIBLE POLYVINYL RESIN MAIN BODY PORTION HAVING A FLEXIBLE OUTER LAYER OF MOISTURE-IMPERVIOUS POLYVINYL RESIN INTEGRALLY FORMED AND FUSED THEREWITH, SAID MAIN BODY PORTION BEING FORMED OF A FOAMABLE PLASTISOL COMPRISING BETWEEN ABOUT 145 AND 155 PARTS BY WEIGHT OF A PLASTICIZER PER 100 PARTS BY WEIGHT OF POLYVINYL RESIN AND SMALL AMOUNTS OF A BLOWING AGENT AND SAID OUTER LAYER BEING FORMED OF A PLASTISOL COMPRISING 65 TO 85 PARTS BY WEIGHT OF A PLASTICIZER PER 100 PARTS BY WEIGHT OF A POLYVINYL RESIN, SAID OUTER LAYER FORMING AN EFFECTIVE BARRIER AGAINST THE EXUDATION OF PLASTICIZER FROM SAID MAIN BODY PORTION.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |