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US3353605A Expired / Lapsed US ⏱️ 0.0 years remaining

Well apparatus

Assignee: Individual
•
Filing: 1966-06-06
•
Granted: 1967-11-21
•
Expires: 1986-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 Henry U Garrett
  • 👤 Clifford M Peters
  • 👤 Robert W Dinning

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:56
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/12; E21B43/121; E21B43/122; E21B43/123; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87153

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 89 words
A MANDREL FOR CONTROLLING FLOW OF FLUID FROM ONE POINT TO ANOTHER BOTH OF WHICH ARE EXTERIOR THEREOF WHICH COMPRISES, A TUBULAR BODY ADAPTED TO BE CONNECTED AS A PART OF A WELL CONDUIT, A FLOW PASSAGEWAY IN THE BODY AND CONSTRAINING FLOW THERETHROUGH TO BE BETWEEN SAID POINTS WHICH ARE BOTH EXTERIOR OF THE BODY, VALVE MEANS PERMITTING FLOW THROUGH SAID PASSAGEWAY WHEN OPEN AND PREVENTING FLOW THROUGH SAID PASSAGEWAY WHEN CLOSED, AND MEANS MOVABLE THROUGH SAID CONDUIT INTO SAID MANDREL FOR OPENING AND CLOSING SAID VALVE MEANS.
Claim 2
Dependent Claim 89 words
A MANDREL FOR CONTROLLING FLOW OF FLUID FROM ONE POINT TO ANOTHER BOTH OF WHICH ARE EXTERIOR THEREOF WHICH COMPRISES, A TUBULAR BODY ADAPTED TO BE CONNECTED AS A PART OF A WELL CONDUIT, A FLOW PASSAGEWAY IN THE BODY AND CONSTRAINING FLOW THERETHROUGH TO BE BETWEEN SAID POINTS WHICH ARE BOTH EXTERIOR OF THE BODY, VALVE MEANS PERMITTING FLOW THROUGH SAID PASSAGEWAY WHEN OPEN AND PREVENTING FLOW THROUGH SAID PASSAGEWAY WHEN CLOSED, AND MEANS MOVABLE THROUGH SAID CONDUIT INTO SAID MANDREL FOR OPENING AND CLOSING SAID VALVE MEANS.

References Cited (Backward Citations)

US2033563A Cited
US2351322A Cited
US2766831A Cited
US2717041A Cited
US2795281A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-20 1971-05-22 1971-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-20 1975-05-22 1975-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-20 1979-05-22 1979-11-21 $7700.00 Window Closed / Lapsed

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