Patent US3357693A successfully refreshed from Google Patents.
US3357693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energizer for fluid seal
Assignee: FMC Corp
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Filing: 1966-12-06
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Granted: 1967-12-12
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Landis H Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:51
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3456; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SEAL ENERGIZER COMPRISING AN ARCUATE BASE PORTION CONCENTRIC WITH A LINE OF REFERENCE, AND A PLURALITY OF PRESSURE APPLYING MEMBERS CONNECTED TO THE BASE PORTION AND COLLECTIVELY CONCENTRIC WITH SAID REFERENCE LINE, SAID MEMBERS BEING RESILIENTLY FLEXIBLE RELATIVE TO THE BASE PORTION, EACH MEMBER BEING IN OBTUSE ANGULAR RELATION TO SAID BASE PORTION IN THE UNSTRESSED CONDITION OF SUCH MEMBER, EACH OF SAID MEMBERS HAVING OPPOSITE SIDE EDGES AND A TERMINAL EDGE JOINING THE SIDE EDGES AT CORNERS, THE TERMINAL EDGES OF ALL THE MEMBERS SUBSTANTIALLY LYING ON AN ARCUATE PRESSURE LINE WHICH IS CONCENTRIC WITH SAID REFERENCE LINE, ADJACENT SIDE EDGES OF ADJACENT MEMBERS CONVERGING FROM SAID BASE PORTION TO SAID TERMINAL EDGES, AND ADJACENT CORNERS OF ADJACENT MEMBERS BEING CONTIGUOUS.
Claim 2
Dependent Claim
123 words
A SEAL ENERGIZER COMPRISING AN ARCUATE BASE PORTION CONCENTRIC WITH A LINE OF REFERENCE, AND A PLURALITY OF PRESSURE APPLYING MEMBERS CONNECTED TO THE BASE PORTION AND COLLECTIVELY CONCENTRIC WITH SAID REFERENCE LINE, SAID MEMBERS BEING RESILIENTLY FLEXIBLE RELATIVE TO THE BASE PORTION, EACH MEMBER BEING IN OBTUSE ANGULAR RELATION TO SAID BASE PORTION IN THE UNSTRESSED CONDITION OF SUCH MEMBER, EACH OF SAID MEMBERS HAVING OPPOSITE SIDE EDGES AND A TERMINAL EDGE JOINING THE SIDE EDGES AT CORNERS, THE TERMINAL EDGES OF ALL THE MEMBERS SUBSTANTIALLY LYING ON AN ARCUATE PRESSURE LINE WHICH IS CONCENTRIC WITH SAID REFERENCE LINE, ADJACENT SIDE EDGES OF ADJACENT MEMBERS CONVERGING FROM SAID BASE PORTION TO SAID TERMINAL EDGES, AND ADJACENT CORNERS OF ADJACENT MEMBERS BEING CONTIGUOUS.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |