US3306357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow line pressure control
Assignee: Individual
•
Filing: 1964-07-22
•
Granted: 1967-02-28
•
Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Roy H Cullen
- 👤 Charles H Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:30
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/22; E21B21/00; E21B21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A FLUID FLOW CONTROLLER FOR USE IN A FLEXIBLE HOSE, COMPRISING: (A) A TUBULAR HOUSING SECTION, (B) A CHOKE ASSEMBLY DISPOSED IN SAID HOUSING SECTION, (C) A CHOKE SEAT IN SAID HOUSING BELOW SAID CHOKE ASSEMBLY FOR THE FLOW OF FLUID THERETHROUGH, (D) MEANS FOR RELEASABLY SUPPORTING SAID CHOKE ASSEMBLY IN SAID HOUSING SPACED FROM SAID CHOKE SEAT, (E) SAID HOUSING HAVING PASSAGE MEANS FOR FLOWING FLUID AROUND SAID CHOKE ASSEMBLY AND THROUGH SAID CHOKE SEAT WHEN SAID CHOKE ASSEMBLY IS SPACED FROM THE CHOKE SEAT, AND (F) EXPLOSIVE MEANS FOR APPLYING AN EXPLOSIVE FORCE TO SAID CHOKE ASESMBLY TO MOVE IT TO A SEATED POSITION ON SAID CHOKE SEAT.
Claim 2
Dependent Claim
110 words
A FLUID FLOW CONTROLLER FOR USE IN A FLEXIBLE HOSE, COMPRISING: (A) A TUBULAR HOUSING SECTION, (B) A CHOKE ASSEMBLY DISPOSED IN SAID HOUSING SECTION, (C) A CHOKE SEAT IN SAID HOUSING BELOW SAID CHOKE ASSEMBLY FOR THE FLOW OF FLUID THERETHROUGH, (D) MEANS FOR RELEASABLY SUPPORTING SAID CHOKE ASSEMBLY IN SAID HOUSING SPACED FROM SAID CHOKE SEAT, (E) SAID HOUSING HAVING PASSAGE MEANS FOR FLOWING FLUID AROUND SAID CHOKE ASSEMBLY AND THROUGH SAID CHOKE SEAT WHEN SAID CHOKE ASSEMBLY IS SPACED FROM THE CHOKE SEAT, AND (F) EXPLOSIVE MEANS FOR APPLYING AN EXPLOSIVE FORCE TO SAID CHOKE ASESMBLY TO MOVE IT TO A SEATED POSITION ON SAID CHOKE SEAT.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
US3109459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |