US3204697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas well casing test packer
Assignee: CITIES SERVICE GAS CO
•
Filing: 1961-05-08
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Granted: 1965-09-07
•
Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Robert T Gaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:09
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1294; B; B41; B41B; B41B11/00; B41B11/06; B41B11/08; B41B11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
APPARATUS COMPRISING A WELL PACKER AND SUPPORTING MEANS FOR SUPPORTING AND OPERATING THE PACKER, SAID PACKER COMPRISING IN COMBINATION A BODY MEMBER, AN EXPANDABLE PACKING MEMBER, ANCHORING MEANS FOR ANCHORING SAID BODY MEMBER WITH RESPECT TO THE WALL OF A WELL BORE, PUMP MEANS OPERABLE BY LIMITED RECIPROCATION OF SAID SUPPORTING MEANS TO EXPAND SAID PACKING MEMBER INTO SEALING RELATIONSHIP WITH THE WALL OF THE WELL BORE WHEN SAID BODY MEMBER IS ANCHORED AND TO ALLOW RETURN
Claim 2
Dependent Claim
77 words
APPARATUS COMPRISING A WELL PACKER AND SUPPORTING MEANS FOR SUPPORTING AND OPERATING THE PACKER, SAID PACKER COMPRISING IN COMBINATION A BODY MEMBER, AN EXPANDABLE PACKING MEMBER, ANCHORING MEANS FOR ANCHORING SAID BODY MEMBER WITH RESPECT TO THE WALL OF A WELL BORE, PUMP MEANS OPERABLE BY LIMITED RECIPROCATION OF SAID SUPPORTING MEANS TO EXPAND SAID PACKING MEMBER INTO SEALING RELATIONSHIP WITH THE WALL OF THE WELL BORE WHEN SAID BODY MEMBER IS ANCHORED AND TO ALLOW RETURN
References Cited (Backward Citations)
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Cited
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Cited
US2605843A
Cited
US2778431A
Cited
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Cited
US2959225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |