US3072414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical seals for rotating parts
Assignee: Flexibox Ltd
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Filing: 1960-06-27
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Granted: 1963-01-08
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Porges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:03
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A SEALING ASSEMBLY FOR EFFECTING A SEALING JOINT BETWEEN RELATIVELY ROTATING ELEMENTS COMPRISING STATIONARY AND ROTATABLE SEAL RING MEANS HAVING FACING COOPERATING PLANAR SEALING SURFACE, SPRING MEANS FOR PRESSING SAID RING MEANS AND THUS SAID SURFACES AGAINST ONE ANOTHER, EACH SEAL RING MEANS COMPRISING TWO SIMILAR HALF RINGS, EACH HALF RING HAVING AN ANNULAR RECESS IN THE INTERIOR THEREOF POSITIONABLE IN TRANSVERSE ALIGNMENT WHEREBY WHEN THE HALF RINGS ARE AGAINST ONE ANOTHER A CONTINUOUS INTERNAL GROOVE IS DEFINED BY THE RECESSES, A CONTINUOUS LOCATING RING FOR EACH RING MEANS AND SAID LOCATING RINGS FITTING WITHIN SAID GROOVES IN THE INTERIOR OF THE HALF RINGS OF
Claim 2
Dependent Claim
105 words
A SEALING ASSEMBLY FOR EFFECTING A SEALING JOINT BETWEEN RELATIVELY ROTATING ELEMENTS COMPRISING STATIONARY AND ROTATABLE SEAL RING MEANS HAVING FACING COOPERATING PLANAR SEALING SURFACE, SPRING MEANS FOR PRESSING SAID RING MEANS AND THUS SAID SURFACES AGAINST ONE ANOTHER, EACH SEAL RING MEANS COMPRISING TWO SIMILAR HALF RINGS, EACH HALF RING HAVING AN ANNULAR RECESS IN THE INTERIOR THEREOF POSITIONABLE IN TRANSVERSE ALIGNMENT WHEREBY WHEN THE HALF RINGS ARE AGAINST ONE ANOTHER A CONTINUOUS INTERNAL GROOVE IS DEFINED BY THE RECESSES, A CONTINUOUS LOCATING RING FOR EACH RING MEANS AND SAID LOCATING RINGS FITTING WITHIN SAID GROOVES IN THE INTERIOR OF THE HALF RINGS OF
References Cited (Backward Citations)
US542137A
Cited
US2921806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |