Patent US3103342A successfully refreshed from Google Patents.
US3103342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm valve
Assignee: Grinnell Corp
•
Filing: 1960-11-17
•
Granted: 1963-09-10
•
Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Henry W Boteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:30
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/123; F16K27/00; F16K27/02; F16K27/0236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A DIAPHRAGM VALVE COMPRISING: (I) A HOLLOW RIGID BODY HAVING: (A) A PAIR OF END OPENINGS WHICH: (1) ARE SUBSTANTIALLY CIRCULAR, (2) HAVE SUBSTANTIALLY EQUAL DIAMETERS, (B) A CIRCULAR DIAPHRAGM OPENING WHICH: (1) IS ON ONE SIDE OF SAID BODY, (2) IS INTERMEDIATE SAID END OPENINGS, (3) IS SURROUNDED BY A FLANGE SURFACE IN A FLAT PLANE, (C) AN INTERIOR SURFACE WHICH: (1) EXTENDS BETWEEN SAID OPENINGS, (2) FORMS WITH SAID OPENINGS INTERIOR EDGES (D) A DIAPHRAGM SEATING BAND WHICH: (1) IS LOCATED ON SAID BODY INTERIOR SURFACE, (2) IS LOCATED OPPOSITE SAID DIAPHRAGM OPENING, (3) HAS A CENTRAL PORTION SPACED FROM SAID FLAT PLANE BY A DISTANCE LESS THAN SAID DIAMETERS, (4) HAS A PAIR OF CORRESPONDING SPACEDAPART SIDE PORTIONS WHICH: (A) EXTEND INTO SAID BODY FROM OPPOSITE SIDES OF SAID DIAPHRAGM OPENING, (B) ARE SUBSTANTIALLY STRAIGHT, (C) SLOPE STEEPLY INWARDLY, (D) ENGAGE A SPHERE WHICH: (I) IS INSERTED THROUGH SAID DIAPHRAGM OPENING, (II) LIES SUBSTANTIALLY ENTIRELY ON THE SAME SIDE OF SAID FLAT PLANE WHERE SAID SEATING PORTIONS ARE LOCATED,
Claim 2
Dependent Claim
172 words
A DIAPHRAGM VALVE COMPRISING: (I) A HOLLOW RIGID BODY HAVING: (A) A PAIR OF END OPENINGS WHICH: (1) ARE SUBSTANTIALLY CIRCULAR, (2) HAVE SUBSTANTIALLY EQUAL DIAMETERS, (B) A CIRCULAR DIAPHRAGM OPENING WHICH: (1) IS ON ONE SIDE OF SAID BODY, (2) IS INTERMEDIATE SAID END OPENINGS, (3) IS SURROUNDED BY A FLANGE SURFACE IN A FLAT PLANE, (C) AN INTERIOR SURFACE WHICH: (1) EXTENDS BETWEEN SAID OPENINGS, (2) FORMS WITH SAID OPENINGS INTERIOR EDGES (D) A DIAPHRAGM SEATING BAND WHICH: (1) IS LOCATED ON SAID BODY INTERIOR SURFACE, (2) IS LOCATED OPPOSITE SAID DIAPHRAGM OPENING, (3) HAS A CENTRAL PORTION SPACED FROM SAID FLAT PLANE BY A DISTANCE LESS THAN SAID DIAMETERS, (4) HAS A PAIR OF CORRESPONDING SPACEDAPART SIDE PORTIONS WHICH: (A) EXTEND INTO SAID BODY FROM OPPOSITE SIDES OF SAID DIAPHRAGM OPENING, (B) ARE SUBSTANTIALLY STRAIGHT, (C) SLOPE STEEPLY INWARDLY, (D) ENGAGE A SPHERE WHICH: (I) IS INSERTED THROUGH SAID DIAPHRAGM OPENING, (II) LIES SUBSTANTIALLY ENTIRELY ON THE SAME SIDE OF SAID FLAT PLANE WHERE SAID SEATING PORTIONS ARE LOCATED,
References Cited (Backward Citations)
US2716017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |