Patent US3307633A successfully refreshed from Google Patents.
US3307633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient, one-piece sealing member for accommodating unequal fluid pressures on opposing surfaces
Assignee: Grinnell Corp
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Filing: 1964-11-25
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Granted: 1967-03-07
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Expires: 1984-11-25
Abstract
No abstract record available.
Inventors
- 👤 Newall John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:19
CPC Classifications
F; F16; F16K; F16K37/00; F16K37/0066; A; A62; A62C; A62C35/00; A62C35/58; A62C35/60; A62C35/605; F16K15/00; F16K15/02; F16K15/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
FOR A FIRE FIGHTING SYSTEM A FLUID CONTROLLING VALVE HAVING: (I) A PASSAGE THERETHROUGH WITH AN AXIS, (II) A SEATING MEMBER WHICH: (A) EXTENDS AROUND SAID PASSAGE, (B) HAS AN ANNULAR GROOVE WHICH EXTENDS AROUND SAID AXIS (C) HAS A FIRST SEATING SURFACE BETWEEN AN INNER SIDE OF SAID GROOVE AND SAID AXIS, (D) HAS A SECOND SEATING SURFACE BEYOND AN OUTER SIDE OF SAID GROOVE (III) A CLACK WHICH IS MOVABLE BETWEEN AN OPEN POSITION REMOTE FROM SAID SEATING MEMBER AND A CLOSED POSITION ADJACENT SAID SEATING MEMBER, (IV) A ONE-PIECE SEALING MEMBER WHICH: (A) IS FORMED OF RESILIENT MATERIAL, (B) HAS A FIRST PORTION WHICH: (1) IS ADJACENT SAID CLACK, (2) HAS A SURFACE SEALINGLY ENGAGING SAID CLACK, (C) HAS A SECOND PORTION WHICH: (1) IS INTEGRAL WITH SAID FIRST SEALING MEMBER PORTION, (2) EXTENDS FROM SAID FIRST SEALING MEMBER PORTION AWAY FROM SAID AXIS, (3) TURNS BACK TOWARD SAID AXIS, (D) HAS A THIRD PORTION WHICH: (1) IS INTEGRAL WITH SAID SECOND SEALING MEMBER PORTION, (2) EXTENDS FROM SAID SECOND SEALING MEMBER PORTION TOWARD SAID AXIS, (3) HAS A SURFACE SEALINGLY ENGAGING SAID FIRST SEATING SURFACE OF SAID SEATING MEMBER WHEN SAID CLACK IS IN ITS SAID CLOSED POSITION,
Claim 2
Dependent Claim
202 words
FOR A FIRE FIGHTING SYSTEM A FLUID CONTROLLING VALVE HAVING: (I) A PASSAGE THERETHROUGH WITH AN AXIS, (II) A SEATING MEMBER WHICH: (A) EXTENDS AROUND SAID PASSAGE, (B) HAS AN ANNULAR GROOVE WHICH EXTENDS AROUND SAID AXIS (C) HAS A FIRST SEATING SURFACE BETWEEN AN INNER SIDE OF SAID GROOVE AND SAID AXIS, (D) HAS A SECOND SEATING SURFACE BEYOND AN OUTER SIDE OF SAID GROOVE (III) A CLACK WHICH IS MOVABLE BETWEEN AN OPEN POSITION REMOTE FROM SAID SEATING MEMBER AND A CLOSED POSITION ADJACENT SAID SEATING MEMBER, (IV) A ONE-PIECE SEALING MEMBER WHICH: (A) IS FORMED OF RESILIENT MATERIAL, (B) HAS A FIRST PORTION WHICH: (1) IS ADJACENT SAID CLACK, (2) HAS A SURFACE SEALINGLY ENGAGING SAID CLACK, (C) HAS A SECOND PORTION WHICH: (1) IS INTEGRAL WITH SAID FIRST SEALING MEMBER PORTION, (2) EXTENDS FROM SAID FIRST SEALING MEMBER PORTION AWAY FROM SAID AXIS, (3) TURNS BACK TOWARD SAID AXIS, (D) HAS A THIRD PORTION WHICH: (1) IS INTEGRAL WITH SAID SECOND SEALING MEMBER PORTION, (2) EXTENDS FROM SAID SECOND SEALING MEMBER PORTION TOWARD SAID AXIS, (3) HAS A SURFACE SEALINGLY ENGAGING SAID FIRST SEATING SURFACE OF SAID SEATING MEMBER WHEN SAID CLACK IS IN ITS SAID CLOSED POSITION,
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |