Patent US3239077A successfully refreshed from Google Patents.
US3239077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for moving heat exchanger tube bundles
Assignee: Texaco Inc
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Filing: 1957-11-21
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Granted: 1966-03-08
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Expires: 1977-11-21
Abstract
No abstract record available.
Inventors
- 👤 O C Huff
- 👤 Norman C Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:01
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/02; B23P19/022; B23P19/024; B66; B66C; B66C1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113; Y10T29/53117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A TUBE BUNDLE EXTRACTOR COMPRISING AN ELONGATED MOVABLE FRAME HAVING PARALLEL SIDE MEMBERS, MEANS FOR SUSPENDING SAID FRAME TO BE ALIGNED WITH THE END OF A SHELL CONTAINING A TUBE BUNDLE HAVINGH END SHEETS, MEANS FOR SECURING ONE END OF SAID FRAME TO SAID SHELL, A CARRIAGE RECIPROCABLY MOUNTED IN SAID FRAME BETWEEN SAID SIDE MEMBERS, MEANS ON SAID CARRIAGE FOR DETACHABLY SECURING IT TO AN END SHEET OF SAID TUBE BUNDLE, AND MEANS FOR SELECTIVELY MOVING SAID CARRIAGE LONGITUDINALLY ALONG SAID SIDE MEMBERS TO WITHDRAW SAID TUBE BUNDLE FROM SAID SHELL OR TO INSERT IT THEREIN.
Claim 2
Dependent Claim
97 words
A TUBE BUNDLE EXTRACTOR COMPRISING AN ELONGATED MOVABLE FRAME HAVING PARALLEL SIDE MEMBERS, MEANS FOR SUSPENDING SAID FRAME TO BE ALIGNED WITH THE END OF A SHELL CONTAINING A TUBE BUNDLE HAVINGH END SHEETS, MEANS FOR SECURING ONE END OF SAID FRAME TO SAID SHELL, A CARRIAGE RECIPROCABLY MOUNTED IN SAID FRAME BETWEEN SAID SIDE MEMBERS, MEANS ON SAID CARRIAGE FOR DETACHABLY SECURING IT TO AN END SHEET OF SAID TUBE BUNDLE, AND MEANS FOR SELECTIVELY MOVING SAID CARRIAGE LONGITUDINALLY ALONG SAID SIDE MEMBERS TO WITHDRAW SAID TUBE BUNDLE FROM SAID SHELL OR TO INSERT IT THEREIN.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |