Patent DE3435771A1 successfully refreshed from Google Patents.
US3353605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well apparatus
Assignee: Individual
•
Filing: 1966-06-06
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Granted: 1967-11-21
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Expires: 1986-06-06
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
2026-10-22 18:12
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)
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 |