US3147016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular gaskets
Assignee: Individual
•
Filing: 1962-03-09
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Granted: 1964-09-01
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Traufler Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:53
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16J15/128; F16J15/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN ANNULAR GASKET WHICH COMPRISES A HOLLOW DEFORMABLE ANNULAR METALLIC CASING AND A LIQUID FILLING SAID CASING, SAID METALLIC CASING BEING MADE OF TWO OPPOSED ELEMENTS HAVING RESPECTIVE LATERAL FLANGES WELDED TOGETHER IN AN ASSEMBLY PLANE, THE RESPECTIVE CROSS ECTIONS OF SAID TWO CASING ELEMENTS BY A RADIAL PLANE PERPENDICULAR TO SAID ASSEMBLY PLANE BEING TWO CURVES HAVING EACH AN UNDULATED PORTION TANGENTIALLY INSCRIBED BETWEEN TWO LINES PARALLEL TO SAID ASSEMBLY PLANE, SAID TWO CURVE PORTIONS BEING SYMMETRICAL WITH RESPECT TO SAID ASSEMBLY PLANE, SAID CASING ELEMENT THUS HAVING RESPECTIVE CORRUGATED PORTIONS FACING EACH OTHER, WITH THEIR INNER RIDGES LOCATED OPPOSITE ONE ANOTHER.
Claim 2
Dependent Claim
103 words
AN ANNULAR GASKET WHICH COMPRISES A HOLLOW DEFORMABLE ANNULAR METALLIC CASING AND A LIQUID FILLING SAID CASING, SAID METALLIC CASING BEING MADE OF TWO OPPOSED ELEMENTS HAVING RESPECTIVE LATERAL FLANGES WELDED TOGETHER IN AN ASSEMBLY PLANE, THE RESPECTIVE CROSS ECTIONS OF SAID TWO CASING ELEMENTS BY A RADIAL PLANE PERPENDICULAR TO SAID ASSEMBLY PLANE BEING TWO CURVES HAVING EACH AN UNDULATED PORTION TANGENTIALLY INSCRIBED BETWEEN TWO LINES PARALLEL TO SAID ASSEMBLY PLANE, SAID TWO CURVE PORTIONS BEING SYMMETRICAL WITH RESPECT TO SAID ASSEMBLY PLANE, SAID CASING ELEMENT THUS HAVING RESPECTIVE CORRUGATED PORTIONS FACING EACH OTHER, WITH THEIR INNER RIDGES LOCATED OPPOSITE ONE ANOTHER.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |