Patent US3310282A successfully refreshed from Google Patents.
US3310282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm control valves
Assignee: Grinnell Corp
•
Filing: 1965-11-15
•
Granted: 1967-03-21
•
Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Henry W Boteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:29
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K7/00; F16K7/12; F16K7/126; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A DIAPHRAGM VALUE COMPRISING: (I) A DIAPHRAGM, (II) A SEAT FOR SAID DIAPHRAGM, (III) A COMPRESSOR WHICH: (A) IS FOR MOVING SAID DIAPHRAGM WITH RESPECT TO SAID SEAT, (B) HAS A FIRST PART WHICH IS MOVABLE: (1) IN ONE DIRECTION TOWARD SAID SEAT, (2) IN THE OPPOSITE DIRECTION AWAY FROM SAID SEAT, (C) HAS A SECOND PART WHICH IS MOVABLE: (1) IN BOTH SAID DIRECTIONS, (2) WITH RESPECT TO SAID FIRST COMPRESSOR PART, (IV) MEANS: (A) FOR HOLDING SAID SECOND COMPRESSOR PART IN A FIXED POSITION WITH RESPECT TO SAID SEAT, (B) FOR MOVING SAID FIRST COMPRESSOR PART IN SAID OPPOSITE DIRECTION TO A PREDETERMINED POSITION WHICH: (1) IS SPACED FROM SAID SEAT, (2) ESTABLISHES A FLOW PASSAGE BETWEEN SAID DIAPHRAGM AND SAID SEAT, WHILE SAID SECOND COMPRESSOR PART IS BEING HELD IN SAID FIXED POSITION, (C) FOR MOVING SAID FIRST COMPRESSOR PART IN SAID OPPOSITE DIRECTION BEYOND SAID PREDETERMINED (V) MEANS RESPONSIVE TO SAID MOVEMENT OF SAID FIRST COMPRESSOR PART IN SAID OPPOSITE DIRECTION BEYOND SAID PREDETERMINED POSITION: (A) FOR OPPOSING SAID HOLDING MEANS, (B) FOR MOVING SAID SECOND COMPRESSOR PART IN SAID OPPOSITE DIRECTION FROM SAID FIXED POSITION, (C) FOR INCREASING THE SIZE OF SAID FLOW PASSAGE.
Claim 2
Dependent Claim
199 words
A DIAPHRAGM VALUE COMPRISING: (I) A DIAPHRAGM, (II) A SEAT FOR SAID DIAPHRAGM, (III) A COMPRESSOR WHICH: (A) IS FOR MOVING SAID DIAPHRAGM WITH RESPECT TO SAID SEAT, (B) HAS A FIRST PART WHICH IS MOVABLE: (1) IN ONE DIRECTION TOWARD SAID SEAT, (2) IN THE OPPOSITE DIRECTION AWAY FROM SAID SEAT, (C) HAS A SECOND PART WHICH IS MOVABLE: (1) IN BOTH SAID DIRECTIONS, (2) WITH RESPECT TO SAID FIRST COMPRESSOR PART, (IV) MEANS: (A) FOR HOLDING SAID SECOND COMPRESSOR PART IN A FIXED POSITION WITH RESPECT TO SAID SEAT, (B) FOR MOVING SAID FIRST COMPRESSOR PART IN SAID OPPOSITE DIRECTION TO A PREDETERMINED POSITION WHICH: (1) IS SPACED FROM SAID SEAT, (2) ESTABLISHES A FLOW PASSAGE BETWEEN SAID DIAPHRAGM AND SAID SEAT, WHILE SAID SECOND COMPRESSOR PART IS BEING HELD IN SAID FIXED POSITION, (C) FOR MOVING SAID FIRST COMPRESSOR PART IN SAID OPPOSITE DIRECTION BEYOND SAID PREDETERMINED (V) MEANS RESPONSIVE TO SAID MOVEMENT OF SAID FIRST COMPRESSOR PART IN SAID OPPOSITE DIRECTION BEYOND SAID PREDETERMINED POSITION: (A) FOR OPPOSING SAID HOLDING MEANS, (B) FOR MOVING SAID SECOND COMPRESSOR PART IN SAID OPPOSITE DIRECTION FROM SAID FIXED POSITION, (C) FOR INCREASING THE SIZE OF SAID FLOW PASSAGE.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |