Patent US3232931A successfully refreshed from Google Patents.
Patent US3285138A successfully refreshed from Google Patents.
US3285138A
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Apparatus for imparting pulsations to a liquid within a container
Assignee: Stamicarbon BV
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Filing: 1964-07-22
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Granted: 1966-11-15
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Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Harry M M Otten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:58
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02; B03B5/10; B03B5/24; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/0438; B01D15/00; B01D47/00; B01J; B01J19/00; B01J19/18; B01J19/185; B03B5/20; B01J2219/00; B01J2219/00049; B01J2219/00182; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
APPARATUS FOR IMPARTING PULSATIONS TO A FLUID WITHIN A CONTAINER COMPRISING: A CONTAINER HAVING A FLUID THEREIN; MEANS DEFINING A RESILIENT DIAPHRAGM IN A WALL OF THE CONTAINER, SAID DIAPHRAGM BEING ARRANGED TO COMMUNICATE ON ONE SIDE THEREOF WITH SAID FLUID AND HAVING THE OPPOSITE SIDE THEREOF PRESENTED EXTERIORLY OF THE CONTAINER; WALL MEANS DEFINING A FLUID-TIGHT CHAMBER ADJACENT SAID CONTAINER AND COMMUNICATING WITH SAID DIAPHRAGM OPPOSITE SIDE; ROD MEANS OPERATIVELY CONNECTED TO SAID DIAPHRAGM AND EXTENDING THEREFROM INTO SAID CHAMBER; FIRST CONDUIT MEANS ARRANGED FOR COMMUNICATING PRESSURIZED FLUID TO SAID CHAMBER; SECOND CONDUIT MEANS ARRANGED FOR DISCHARGING PRESSURIZED FLUID FROM SAID CHAMBER; A FIRST NORMALLY CLOSED VALVE INTERPOSED
Claim 2
Dependent Claim
109 words
APPARATUS FOR IMPARTING PULSATIONS TO A FLUID WITHIN A CONTAINER COMPRISING: A CONTAINER HAVING A FLUID THEREIN; MEANS DEFINING A RESILIENT DIAPHRAGM IN A WALL OF THE CONTAINER, SAID DIAPHRAGM BEING ARRANGED TO COMMUNICATE ON ONE SIDE THEREOF WITH SAID FLUID AND HAVING THE OPPOSITE SIDE THEREOF PRESENTED EXTERIORLY OF THE CONTAINER; WALL MEANS DEFINING A FLUID-TIGHT CHAMBER ADJACENT SAID CONTAINER AND COMMUNICATING WITH SAID DIAPHRAGM OPPOSITE SIDE; ROD MEANS OPERATIVELY CONNECTED TO SAID DIAPHRAGM AND EXTENDING THEREFROM INTO SAID CHAMBER; FIRST CONDUIT MEANS ARRANGED FOR COMMUNICATING PRESSURIZED FLUID TO SAID CHAMBER; SECOND CONDUIT MEANS ARRANGED FOR DISCHARGING PRESSURIZED FLUID FROM SAID CHAMBER; A FIRST NORMALLY CLOSED VALVE INTERPOSED
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |