Patent US3204676A successfully refreshed from Google Patents.
Patent US2540827A successfully refreshed from Google Patents.
US3280916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic grouting packer
Assignee: Halliburton Co
•
Filing: 1964-01-03
•
Granted: 1966-10-25
•
Expires: 1984-01-03
Abstract
No abstract record available.
Inventors
- 👤 Burchus Q Barrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:42
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN APPARATUS FOR DISCHARGING FLUID INTO AN ISOLATED PORTION OF A CAVITY, SAID APPARATUS COMPRISING: CONDUIT MEANS ADAPTED TO BE INSERTED INTO A CAVITY AND TO TRANSMIT PRESSURIZED FLUID; FLEXIBLE WALLED, ELASTICALLY AND LATERALLY, DISTENSIBLE AND CONTRACTIBLE PACKER MEANS CARRIED BY AND DEFINING AN INTERIORLY UNOBSTRUCTED CONTINUATION OF SAID CONDUIT MEANS; AND PRESSURE REGULATING MEANS CONNECTED WITH AND SUPPORTED BY SAID PACKER MEANS, SAID PACKER MEANS DEFINING A LATERALLY FLEXIBLE, AND AXIALLY CONTRACTIBLE CONNECTION DISPOSED BETWEEN SAID CONDUIT MEANS AND SAID PRESSURE REGULATING MEANS, WITH SAID PRESSURE REGULATING MEANS BEING MOVABLE LATERALLY OF SAID CONDUIT MEANS AND AXIALLY CONVERGEABLE WITH SAID CONDUIT MEANS IN RESPONSE TO LATERAL DISTENTION OF SAID PACKER MEANS.
Claim 2
Independent Claim
112 words
AN APPARATUS FOR DISCHARGING FLUID INTO AN ISOLATED PORTION OF A CAVITY, SAID APPARATUS COMPRISING: CONDUIT MEANS ADAPTED TO BE INSERTED INTO A CAVITY AND TO TRANSMIT PRESSURIZED FLUID; FLEXIBLE WALLED, ELASTICALLY AND LATERALLY, DISTENSIBLE AND CONTRACTIBLE PACKER MEANS CARRIED BY AND DEFINING AN INTERIORLY UNOBSTRUCTED CONTINUATION OF SAID CONDUIT MEANS; AND PRESSURE REGULATING MEANS CONNECTED WITH AND SUPPORTED BY SAID PACKER MEANS, SAID PACKER MEANS DEFINING A LATERALLY FLEXIBLE, AND AXIALLY CONTRACTIBLE CONNECTION DISPOSED BETWEEN SAID CONDUIT MEANS AND SAID PRESSURE REGULATING MEANS, WITH SAID PRESSURE REGULATING MEANS BEING MOVABLE LATERALLY OF SAID CONDUIT MEANS AND AXIALLY CONVERGEABLE WITH SAID CONDUIT MEANS IN RESPONSE TO LATERAL DISTENTION OF SAID PACKER 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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |