Patent US3177934A successfully refreshed from Google Patents.
US3177934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange apparatus for liquids
Assignee: Old Dominion Iron and Steel Corp
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Filing: 1961-05-15
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Granted: 1965-04-13
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Hoppe
- 👤 Mark J O'connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:33
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/20; D06B23/22; F; F28; F28D; F28D7/00; F28D7/10; F28D7/16; F28D7/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
368 words
HEAT EXCHANGE APPARATUS COMPRISING, A FIRST JACKET PIPE, A SECOND JACKET PIPE IN SIDE BY SIDE RELATIONSHIP WITH THE FIRST PIPE, ELBOW MEANS INCLUDING A SEPARATE CAP MEMBER JOINING FIRST ENDS OF SAID PIPES AND PROVIDING COMMUNICATION THEREBETWEEN, A FIRST SET OF TUBES EXTENDING LONGITUDINALLY WITHIN THE FIRST PIPE, SAID TUBES HAVING U-SHAPED PORTIONS WITHIN SAID ELBOW MEANS AND EXTENDING LONGITUDINALLY WITHIN THE SECOND PIPE, A FIRST PLATE CLOSING THE SECOND END OF THE FIRST PIPE, A SECOND PLATE CLOSING THE SECOND END OF THE SECOND PUPE, EACH PLATE HAVING APERTURES THERETHROUGH RECEIVING AND SUPPORTING RESPECTIVE ENDS OF SAID TUBES, MEANS GUIDING LIQUID FOR ENTRY INTO THE ENDS OF SAID TUBES ADJACENT THE FIRST PLATE, A THIRD JACKET PIPE WITH A FIRST END ABUTTING THE SECOND END OF THE SECOND PIPE, A THIRD PLATE CLOSING THE FIRST END OF THE THIRD PIPE, SAID THIRD PLATE HAVING APERTURES REGISTERING WITH THE APERTURES IN THE SECOND PLATE, A SEDOND SET OF TUBES EXTENDING LONGITUDINALLY WITHIN THE THIRD PIPE WITH FIRST ENDS THEREOF ACCOMMODATED WITHIN THE APERTURES OF THE THIRD PLATE AND ABUTTING ENDS OF THE FIRST TUBES, MEANS SECURING THE THIRD PIPE TO THE SECND PIPE AND THE SECOND AND THIRD PLATES IN FACE TO FACE RELATIONSHIP WITH EACH TUBE OF THE FIRST SET IN REGISTERING COMMUNICATION WITH A TUBE OF THE SECOND SET, MEANS GUIDING LIQUID FROM THE SECOND ENDS OF SAID SECOND SET OF TUBES, LIQUID GUIDING MEANS ADJACENT THE FIRST PLATE IN COMMUNICATION WITH THE INTERIOR OF THE FIRST PIPE EXTERIORLY ON THE FIRST SET OF TUBES, A CONDUIT IN COMMUNICATION WITH THE INTERIOR OF THE SECOND PIPE AND EXTENDING OUTSIDE THEREOF FROM A ZONE ADJACENT THE SECOND PLATE, SAID SECOND PLATE HAVING AN OPENING THERETHROUGH LATERALLY OF SAID SECOND AND THIRD PIPES ACCOMMODATING SAID CONDUIT, A SECND CONDUIT EXTENDING FROM THE INTERIOR OF THE THIRD PIPE FROM A ZONE ADJACENT THE THIRD PLATE, SAID THIRD PLATE HAVING AN OPENING THERETHROUGH REGISTERING WITH THE OPENING IN THE SECOND PLATE ACCOMMODATING THE SECOND CONDUIT, MEANS SEALING THE PERIPHERY OF EACH CONDUIT WITH RESPECT TO THE ASSOCIATED PLATE , AND MEANS REMOTE OF SAID THIRD PLATE GUIDING LIQUID INTO THE THIRD PIPE EXTERIORLY OF SAID SECOND SET OF TUBES.
Claim 2
Dependent Claim
368 words
HEAT EXCHANGE APPARATUS COMPRISING, A FIRST JACKET PIPE, A SECOND JACKET PIPE IN SIDE BY SIDE RELATIONSHIP WITH THE FIRST PIPE, ELBOW MEANS INCLUDING A SEPARATE CAP MEMBER JOINING FIRST ENDS OF SAID PIPES AND PROVIDING COMMUNICATION THEREBETWEEN, A FIRST SET OF TUBES EXTENDING LONGITUDINALLY WITHIN THE FIRST PIPE, SAID TUBES HAVING U-SHAPED PORTIONS WITHIN SAID ELBOW MEANS AND EXTENDING LONGITUDINALLY WITHIN THE SECOND PIPE, A FIRST PLATE CLOSING THE SECOND END OF THE FIRST PIPE, A SECOND PLATE CLOSING THE SECOND END OF THE SECOND PUPE, EACH PLATE HAVING APERTURES THERETHROUGH RECEIVING AND SUPPORTING RESPECTIVE ENDS OF SAID TUBES, MEANS GUIDING LIQUID FOR ENTRY INTO THE ENDS OF SAID TUBES ADJACENT THE FIRST PLATE, A THIRD JACKET PIPE WITH A FIRST END ABUTTING THE SECOND END OF THE SECOND PIPE, A THIRD PLATE CLOSING THE FIRST END OF THE THIRD PIPE, SAID THIRD PLATE HAVING APERTURES REGISTERING WITH THE APERTURES IN THE SECOND PLATE, A SEDOND SET OF TUBES EXTENDING LONGITUDINALLY WITHIN THE THIRD PIPE WITH FIRST ENDS THEREOF ACCOMMODATED WITHIN THE APERTURES OF THE THIRD PLATE AND ABUTTING ENDS OF THE FIRST TUBES, MEANS SECURING THE THIRD PIPE TO THE SECND PIPE AND THE SECOND AND THIRD PLATES IN FACE TO FACE RELATIONSHIP WITH EACH TUBE OF THE FIRST SET IN REGISTERING COMMUNICATION WITH A TUBE OF THE SECOND SET, MEANS GUIDING LIQUID FROM THE SECOND ENDS OF SAID SECOND SET OF TUBES, LIQUID GUIDING MEANS ADJACENT THE FIRST PLATE IN COMMUNICATION WITH THE INTERIOR OF THE FIRST PIPE EXTERIORLY ON THE FIRST SET OF TUBES, A CONDUIT IN COMMUNICATION WITH THE INTERIOR OF THE SECOND PIPE AND EXTENDING OUTSIDE THEREOF FROM A ZONE ADJACENT THE SECOND PLATE, SAID SECOND PLATE HAVING AN OPENING THERETHROUGH LATERALLY OF SAID SECOND AND THIRD PIPES ACCOMMODATING SAID CONDUIT, A SECND CONDUIT EXTENDING FROM THE INTERIOR OF THE THIRD PIPE FROM A ZONE ADJACENT THE THIRD PLATE, SAID THIRD PLATE HAVING AN OPENING THERETHROUGH REGISTERING WITH THE OPENING IN THE SECOND PLATE ACCOMMODATING THE SECOND CONDUIT, MEANS SEALING THE PERIPHERY OF EACH CONDUIT WITH RESPECT TO THE ASSOCIATED PLATE , AND MEANS REMOTE OF SAID THIRD PLATE GUIDING LIQUID INTO THE THIRD PIPE EXTERIORLY OF SAID SECOND SET OF TUBES.
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |