US2981651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing members and methods
Assignee: American Marietta Co
•
Filing: 1956-08-02
•
Granted: 1961-04-25
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Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert W Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:29
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; F; F16; F16J; F16J15/00; F16J15/02; Y; Y10; Y10S; Y10S411/00; Y10S411/915; Y10S411/955; Y10S411/956; Y10S411/96; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49947; Y10T29/49966; Y10T29/4997
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD OF BONDING TOGETHER A METAL MEMBER AND A SEALING MEMBER COMPOSED OF A BODY OF SOFT, TACKY, COHERENT SEALING MATERIAL WHICH IS SUFFICIENTLY STIFF TO MAINTAIN ITS SHAPE UNDER NORMAL HANDLING AND WHICH IS ADAPTED TO COLD-FLOW UNDER PRESSURE, COMPRISING DUSTING THE ENTIRE SURFACE AREA OF THE SEALING MEMBER WITH 0.0510% BY WEIGHT, BASED UPON THE WEIGHT OF THE SEALING MEMBER, OF FINELY DIVIDED DISCRETE NONTACKY PARTICLES OF SYNTHETIC RESIN IN AN UNCURED NONTACKY STATE WHICH IS ADAPTED TO CURE AT A TEMPERATURE BETWEEN APPROXIMATELY
Claim 2
Independent Claim
87 words
THE METHOD OF BONDING TOGETHER A METAL MEMBER AND A SEALING MEMBER COMPOSED OF A BODY OF SOFT, TACKY, COHERENT SEALING MATERIAL WHICH IS SUFFICIENTLY STIFF TO MAINTAIN ITS SHAPE UNDER NORMAL HANDLING AND WHICH IS ADAPTED TO COLD-FLOW UNDER PRESSURE, COMPRISING DUSTING THE ENTIRE SURFACE AREA OF THE SEALING MEMBER WITH 0.0510% BY WEIGHT, BASED UPON THE WEIGHT OF THE SEALING MEMBER, OF FINELY DIVIDED DISCRETE NONTACKY PARTICLES OF SYNTHETIC RESIN IN AN UNCURED NONTACKY STATE WHICH IS ADAPTED TO CURE AT A TEMPERATURE BETWEEN APPROXIMATELY
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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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |