Patent US3103235A successfully refreshed from Google Patents.
US3103235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeve packer for chemical grouting
Assignee: Penetryn System Inc
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Filing: 1961-09-29
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Granted: 1963-09-10
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Iii Edward B Stringham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:33
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/1645; F16L55/16455
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A SLEEVE PACKER FOR PERFORMING A CHEMICAL GROUTING OPERATION IN A SUB-SURFACE CONDUIT COMPIRSING AN ELONGATED CYLINDER PROVIDED WITH MEASN FOR MOVING IT ENDWISE THROUGH THE CONDUIT; AN ELONGATED SLEEVE OF EXPANSIBLE MATERIAL JACKETING THE CYLINDER SUBSTANTIALLY FROM END TO END, A FIRST ZONE NEAR ONE END AND A SECOND ZONE NEAR THE OTHER END THEREOF, SAID ELONGATED SLEEVE OF EXPANSIBLE MATERIAL LYING SMOOTHLY AGAINST THE EXTERIOR SURFACE OF THE CYLINDER WHEN THE PACKER IS NOT BEING USED; MEANS IN SAID FIRST AND SECOND ZONES FOR ATTACHING THE END OF THE SLEEVE TO THE CYLINDER IN FLUID-TIGHT RELATION; AN BROAD SLEEVE-
Claim 2
Dependent Claim
101 words
A SLEEVE PACKER FOR PERFORMING A CHEMICAL GROUTING OPERATION IN A SUB-SURFACE CONDUIT COMPIRSING AN ELONGATED CYLINDER PROVIDED WITH MEASN FOR MOVING IT ENDWISE THROUGH THE CONDUIT; AN ELONGATED SLEEVE OF EXPANSIBLE MATERIAL JACKETING THE CYLINDER SUBSTANTIALLY FROM END TO END, A FIRST ZONE NEAR ONE END AND A SECOND ZONE NEAR THE OTHER END THEREOF, SAID ELONGATED SLEEVE OF EXPANSIBLE MATERIAL LYING SMOOTHLY AGAINST THE EXTERIOR SURFACE OF THE CYLINDER WHEN THE PACKER IS NOT BEING USED; MEANS IN SAID FIRST AND SECOND ZONES FOR ATTACHING THE END OF THE SLEEVE TO THE CYLINDER IN FLUID-TIGHT RELATION; AN BROAD SLEEVE-
References Cited (Backward Citations)
GB212715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |