Patent US3358769A successfully refreshed from Google Patents.
US3358769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transporter for well casing interliner or boot
Assignee: Individual
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Filing: 1965-05-28
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Granted: 1967-12-19
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 William B Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:24
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/18; E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/103; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/53; Y10T29/53652; Y10T29/53657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
APPARATUS FOR TEMPORARILY SEALING APERTURES FORMED IN THE CASING OF A WELL COMPRISING A CYLINDRICAL TRANSPORTER MEMBER, AN INWARDLY EXTENDING RADIAL GUIDE MEMBER PROVIDED ON THE INNER SURFACE OF SAID TRANSPORTER MEMBER, A SEALANT MEMBER FORMED OF A RESILIENT MATERIAL AND HAVING A NORMAL EXTERNAL DIAMETER GREATER THAN THE INTERNAL DIAMETER OF SAID TRANSPORTER MEMBER, RESILIENT MEANS CONNECTED TO ONE END OF SAID SEALANT MEMBER, SAID GUIDE MEMBER ENGAGING SAID SEALANT MEMBER TO RADIALLY COMPRESS SAME IN A DIRECTION THROUGHOUT ITS LENGTH AND REDUCE ITS CROSS SECTIONAL AREA UPON ITS INSERTION INTO SAID TRANSPORTER MEMBER, MEANS CONNECTED TO AN END OF SAID TRANSPORTER MEMBER FOR LOWERING AND RAISING SAME IN SAID CASING AND POSITIONING SAID RESILIENT MEANS IN ENGAGEMENT WITH SAID CASING AT A POINT BELOW SAID APERTURES FOR WITHDRAWING SAID SEALANT MEMBER FROM SAID TRANSPORTER MEMBER AND ALLOWING SAID SEALANT MEMBER TO EXPAND INTO ENGAGEMENT WITH THE CASING IN THE AREA OF THE APERTURES.
Claim 2
Dependent Claim
155 words
APPARATUS FOR TEMPORARILY SEALING APERTURES FORMED IN THE CASING OF A WELL COMPRISING A CYLINDRICAL TRANSPORTER MEMBER, AN INWARDLY EXTENDING RADIAL GUIDE MEMBER PROVIDED ON THE INNER SURFACE OF SAID TRANSPORTER MEMBER, A SEALANT MEMBER FORMED OF A RESILIENT MATERIAL AND HAVING A NORMAL EXTERNAL DIAMETER GREATER THAN THE INTERNAL DIAMETER OF SAID TRANSPORTER MEMBER, RESILIENT MEANS CONNECTED TO ONE END OF SAID SEALANT MEMBER, SAID GUIDE MEMBER ENGAGING SAID SEALANT MEMBER TO RADIALLY COMPRESS SAME IN A DIRECTION THROUGHOUT ITS LENGTH AND REDUCE ITS CROSS SECTIONAL AREA UPON ITS INSERTION INTO SAID TRANSPORTER MEMBER, MEANS CONNECTED TO AN END OF SAID TRANSPORTER MEMBER FOR LOWERING AND RAISING SAME IN SAID CASING AND POSITIONING SAID RESILIENT MEANS IN ENGAGEMENT WITH SAID CASING AT A POINT BELOW SAID APERTURES FOR WITHDRAWING SAID SEALANT MEMBER FROM SAID TRANSPORTER MEMBER AND ALLOWING SAID SEALANT MEMBER TO EXPAND INTO ENGAGEMENT WITH THE CASING IN THE AREA OF THE APERTURES.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |