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US3291496A
Expired / Lapsed
US
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Sealing ring
Assignee: VIBRASEAL CORP
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Filing: 1964-05-04
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Granted: 1966-12-13
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Sumner D Wiltse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16J15/121; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A COMPOSITE SEALING RING COMPRISING AN ANNULAR SOLID BODY OF UNIFORM HEXAGONAL RADIAL CROSS SECTION THROUGHOUT ITS CIRCUMFERENCE PROVIDING ONLY SIX EXTERIOR PLANAR SURFACES, SAID ANNULAR SOLID BODY HAVING A LONGITUDINALLY EXTENDING CIRCULAR CENTER LINE, ADJACENT CIRCUMFERENTIALLY EXTENDING EDGES OF SAID PLANAR SURFACES MEETING EACH OTHER WHEREBY THE SIX PLANAR SURFACES ARE SYMMETRICALLY ARRANGED ABOUT THE LONGITUDINALLY EXTENDING CIRCULAR CENTER LINE OF SAID ANNULAR SOLID BODY AND FORM THE COMPLETE EXTERIOR SURFACE OF SAID ANNULAR SOLID BODY, AND AN ANNULAR REINFORCING HELIX ENTIRELY EMBEDDED WITHIN SAID ANNULAR SOLID BODY, SAID ANNULAR REINFORCING HELIX BEING PROVIDED THROUGHOUT ITS CIRCUMFERENCE WITH A UNIFORM CIRCULAR RADIAL CROSS SECTION SMALLER THAN THE UNIFORM HEXAGONAL RADIAL CROSS SECTION OF SAID ANNULAR SOLID BODY AND BEING CONCENTRIC WITH THE CIRCULAR CENTER LINE OF SAID ANNULAR SOLID BODY, SAID REINFORCING HELIX HAVING CIRCUMFERENTIALLY SPACED INTERCONNECTED HELICAL CONVOLUTIONS OF UNIFORM DIAMETER EXTENDING SUBSTANTIALLY RADIALLY OF SAID ANNULAR SOLID BODY AND ENTIRELY DISPOSED IN SPACED RELATION TO THE SIX PLANAR SURFACES THEREOF.
Claim 2
Dependent Claim
163 words
A COMPOSITE SEALING RING COMPRISING AN ANNULAR SOLID BODY OF UNIFORM HEXAGONAL RADIAL CROSS SECTION THROUGHOUT ITS CIRCUMFERENCE PROVIDING ONLY SIX EXTERIOR PLANAR SURFACES, SAID ANNULAR SOLID BODY HAVING A LONGITUDINALLY EXTENDING CIRCULAR CENTER LINE, ADJACENT CIRCUMFERENTIALLY EXTENDING EDGES OF SAID PLANAR SURFACES MEETING EACH OTHER WHEREBY THE SIX PLANAR SURFACES ARE SYMMETRICALLY ARRANGED ABOUT THE LONGITUDINALLY EXTENDING CIRCULAR CENTER LINE OF SAID ANNULAR SOLID BODY AND FORM THE COMPLETE EXTERIOR SURFACE OF SAID ANNULAR SOLID BODY, AND AN ANNULAR REINFORCING HELIX ENTIRELY EMBEDDED WITHIN SAID ANNULAR SOLID BODY, SAID ANNULAR REINFORCING HELIX BEING PROVIDED THROUGHOUT ITS CIRCUMFERENCE WITH A UNIFORM CIRCULAR RADIAL CROSS SECTION SMALLER THAN THE UNIFORM HEXAGONAL RADIAL CROSS SECTION OF SAID ANNULAR SOLID BODY AND BEING CONCENTRIC WITH THE CIRCULAR CENTER LINE OF SAID ANNULAR SOLID BODY, SAID REINFORCING HELIX HAVING CIRCUMFERENTIALLY SPACED INTERCONNECTED HELICAL CONVOLUTIONS OF UNIFORM DIAMETER EXTENDING SUBSTANTIALLY RADIALLY OF SAID ANNULAR SOLID BODY AND ENTIRELY DISPOSED IN SPACED RELATION TO THE SIX PLANAR SURFACES THEREOF.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |