Patent US3568963A successfully refreshed from Google Patents.
US3203479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser tube plug
Assignee: Warren Petroleum Corp
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Filing: 1963-06-04
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Granted: 1965-08-31
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Joe M Hindman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:19
CPC Classifications
F; F28; F28F; F28F11/00; F28F11/02; F22; F22G; F22G3/00; F22G3/009; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49352; Y10T29/49718; Y10T29/49732; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN APPARATUS COMPRISING; A TUBULAR BUNDLE COMPRISING A PLURALITY OF INDIVIDUAL TUBES; A SHELL SURROUNDING SAID TUBULAR BUNDLE; MEANS TO SUPPORT SAID TUBULAR BUNDLE WITHIN SAID SHELL; A HEAD COVER REMOVABLY ATTACHED TO ONE END OF SAID SHELL; A SLEEVE MEMBER HAVING AN OUTSIDE DIAMETER SUBSTANTIALLY THE SAME AS THE INSIDE DIAMETER OF ONE OF THE TUBES OF THE TUBULAR BUNDLE AND ADAPTED TO FIT INSIDE SAID TUBE, SAID SLEEVE MEMBER BEING LONGER THAN THE DISTANCE BETWEEN THE TUBE END TO BE PLUGGED AND SAID SHELL COVER, SAID SLEEVE MEMBER ABUTTING SAID HEAD COVER AND BEING IN SEALING ENGAGEMENT THROUGH COMPRESSIVE FORCE WITH SAID TUBE; SAID SLEEVE MEMBER TRANSMITTING A PORTION OF THE COMPRESSIVE FORCE TO SAID END COVER; AND A TAPERED PLUG MEMBER IN SEALING ENGAGEMENT THROUGH COMPRESSIVE FORCE WITH SAID SLEEVE, THE SMALLER END OF SAID PLUG MEMBER BEING WITHIN SAID SLEEVE WHILE THE LARGER END OF SAID PLUG MEMBER EXTENDS BEYOND THE SLEEVE INTO THE TUBE TO BE PLUGED.
Claim 2
Independent Claim
162 words
AN APPARATUS COMPRISING; A TUBULAR BUNDLE COMPRISING A PLURALITY OF INDIVIDUAL TUBES; A SHELL SURROUNDING SAID TUBULAR BUNDLE; MEANS TO SUPPORT SAID TUBULAR BUNDLE WITHIN SAID SHELL; A HEAD COVER REMOVABLY ATTACHED TO ONE END OF SAID SHELL; A SLEEVE MEMBER HAVING AN OUTSIDE DIAMETER SUBSTANTIALLY THE SAME AS THE INSIDE DIAMETER OF ONE OF THE TUBES OF THE TUBULAR BUNDLE AND ADAPTED TO FIT INSIDE SAID TUBE, SAID SLEEVE MEMBER BEING LONGER THAN THE DISTANCE BETWEEN THE TUBE END TO BE PLUGGED AND SAID SHELL COVER, SAID SLEEVE MEMBER ABUTTING SAID HEAD COVER AND BEING IN SEALING ENGAGEMENT THROUGH COMPRESSIVE FORCE WITH SAID TUBE; SAID SLEEVE MEMBER TRANSMITTING A PORTION OF THE COMPRESSIVE FORCE TO SAID END COVER; AND A TAPERED PLUG MEMBER IN SEALING ENGAGEMENT THROUGH COMPRESSIVE FORCE WITH SAID SLEEVE, THE SMALLER END OF SAID PLUG MEMBER BEING WITHIN SAID SLEEVE WHILE THE LARGER END OF SAID PLUG MEMBER EXTENDS BEYOND THE SLEEVE INTO THE TUBE TO BE PLUGED.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |