US3899631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable sealing element having electrical conductors extending therethrough
Assignee: Lynes Inc
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Filing: 1974-04-11
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Granted: 1975-08-12
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Expires: 1994-04-11
Abstract
Abstract An inflatable element including spaced annular heads with a reinforcing sheath extending therebetween is provided with an elastomer outer cover. At least one electrical conductor is embedded in the cover and projects from each end of the cover.
Inventors
- 👤 Billy E Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/023; E21B17/026; E21B17/003; E21B17/10; E21B17/1035; E21B33/00; E21B33/10; E21B33/12; E21B33/127; E21B33/1277
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
102 words
An inflatable device for positioning in a well string in a well bore comprising: a. spaced annular members having threads for securing the annular members in a well string; b. an annular reinforcing sheath extending continuously longitudinally and circumferentially between and secured to said spaced annular members for receiving an inflating fluid from the well string; c. an elastomer cover surrounding said sheath and extending between said spaced annular member said elastomer cover expansible by said reinforcing sheath and the inflating fluid therein; and d. at least one electrical conductor embedded in said expansible elastomer cover and extending from each end thereof.
Claim 2
Dependent Claim
102 words
An inflatable device for positioning in a well string in a well bore comprising: a. spaced annular members having threads for securing the annular members in a well string; b. an annular reinforcing sheath extending continuously longitudinally and circumferentially between and secured to said spaced annular members for receiving an inflating fluid from the well string; c. an elastomer cover surrounding said sheath and extending between said spaced annular member said elastomer cover expansible by said reinforcing sheath and the inflating fluid therein; and d. at least one electrical conductor embedded in said expansible elastomer cover and extending from each end thereof.
Claim 3
Dependent Claim
23 words
The invention of claim 1 wherein a plurality of electrical conductors and embedded in said elastomer cover and extend from each and thereof.
Claim 4
Dependent Claim
28 words
The invention of claim 2 wherein said electrical conductors are spaced in said expansible elastomer cover radially from said reinforcing sheath and are spaced circumferentially of each other.
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) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |