Patent US3135520A successfully refreshed from Google Patents.
US3135520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded gasket with flexible metal insert
Assignee: Individual
•
Filing: 1960-11-28
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Granted: 1964-06-02
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 John E Borah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:54
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; F; F16; F16L; F16L19/00; F16L19/08; F16L19/083; F16L19/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A GASKET FOR USE BETWEEN A METALLIC TUBE AND COUPLING MEMBER COMPRISING A MOLDED ANNULAR BODY PORTION OF ELASTOMERIC MATERIAL, SAID BODY PORTION HAVING AN AXIS AND BEING OF UNIFORM CROSS-SECTION TAKEN NORMALL TO SAID AXIS AT ANY POINT THEREALONG, THE INTERNAL SURFACE OF SAID BODY PORTION BEING SO CONSTRUCTED AND ARRANGED TO EMBRACE THE EXTERNAL SURFACE OF SAID TUBE, THE EXTERNAL SURFACE OF SAID BODY PORTION BEING SO CONSTRUCTED AND ARRANGED TO AT LEAST PARTIALLY SNUGLY ENGAGE THE INTERIOR SURFACE OF SAID COUPLING MEMBER, AND AN ANNULAR METAL INSERT CONSISTING OF A PLURALITY OF SPACED APART SPHERICAL METAL BEADS CONNECTED BY WIRE-LIKE STEMS, SAID BEADS BEING ONLY PARTIALLY EMBEDDED IN SAID EXTERIOR SURFACE OF SAID BODY PORTION WITH THE STEMS BETWEEN SAID BEADS EXTENDING ONLY IN THE CIRCUNFERENTIAL DIRECTION OF SAID BODY PORTION, SAID STEMS BEING FULLY EMBEDDED IN THE MATERIAL OF SAID BODY PORTION, THE BEADS HAVING A SUFFICIENT PORTION OF THEIR PERIPHERAL SURFACES SUBSTANTIALLY UNIFORMLY EXPOSED AND PROJECTING BEYOND SAID EXTERNAL SURFACE OF THE BODY PORTION TO ENGAGE BOTH THE TUBE AND COUPLING MEMBER UPON MAKING UP OF A JOINT, SAID MATERIAL BETWEEN SAID
Claim 2
Dependent Claim
187 words
A GASKET FOR USE BETWEEN A METALLIC TUBE AND COUPLING MEMBER COMPRISING A MOLDED ANNULAR BODY PORTION OF ELASTOMERIC MATERIAL, SAID BODY PORTION HAVING AN AXIS AND BEING OF UNIFORM CROSS-SECTION TAKEN NORMALL TO SAID AXIS AT ANY POINT THEREALONG, THE INTERNAL SURFACE OF SAID BODY PORTION BEING SO CONSTRUCTED AND ARRANGED TO EMBRACE THE EXTERNAL SURFACE OF SAID TUBE, THE EXTERNAL SURFACE OF SAID BODY PORTION BEING SO CONSTRUCTED AND ARRANGED TO AT LEAST PARTIALLY SNUGLY ENGAGE THE INTERIOR SURFACE OF SAID COUPLING MEMBER, AND AN ANNULAR METAL INSERT CONSISTING OF A PLURALITY OF SPACED APART SPHERICAL METAL BEADS CONNECTED BY WIRE-LIKE STEMS, SAID BEADS BEING ONLY PARTIALLY EMBEDDED IN SAID EXTERIOR SURFACE OF SAID BODY PORTION WITH THE STEMS BETWEEN SAID BEADS EXTENDING ONLY IN THE CIRCUNFERENTIAL DIRECTION OF SAID BODY PORTION, SAID STEMS BEING FULLY EMBEDDED IN THE MATERIAL OF SAID BODY PORTION, THE BEADS HAVING A SUFFICIENT PORTION OF THEIR PERIPHERAL SURFACES SUBSTANTIALLY UNIFORMLY EXPOSED AND PROJECTING BEYOND SAID EXTERNAL SURFACE OF THE BODY PORTION TO ENGAGE BOTH THE TUBE AND COUPLING MEMBER UPON MAKING UP OF A JOINT, SAID MATERIAL BETWEEN SAID
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |