Patent US3136038A successfully refreshed from Google Patents.
US3136038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a heat exchanger
Assignee: Modine Manufacturing Co
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Filing: 1960-10-06
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Granted: 1964-06-09
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Homer D Huggins
- 👤 Raymond S Slaasted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:18
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/42; F28D; F28D7/00; F28D7/08; F28D7/082; F28D7/085; F28F1/02; F28F1/04; F28F1/12; F28F1/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/51; Y10T29/5188; Y10T29/53; Y10T29/53113; Y10T29/53122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A METHOD OF MANUFACTURING A HEAT EXCHANGER OF THE TUBE AND SHEET FIN TYPE, COMPRISING THE STEPS OF FORMING A TUBE INTO A CROSS-SECTIONAL SHAPE AND HAVING DIAMETRICALLY OPPOSITE EXTERIOR SURFACES SPACED APART A SELECTED DIMENSION, FORMING AN OPENING IN THE SHEET OF THE FIN FOR RECEIVING THE TUBE CO-AXIALLY OF SAID OPENING AND WITH SAID OPENING BEING LARGER THAN SAID SELECTED DIMENSION OF SAID TUBE ALONG THE LINE OF ORIENTATION OF SAID SELECTED DIMENSION, SCORING SAID FIN ALONG A LINE ORIENTED TO BE BOTH TRANSVERSE TO SAID LINE OF ORIENTATION OF SAID SELECTED DIMENSION AND IN INTERSECTION WITH SAID OPENING, ASSEMBLING SAID TUBE AND SAID FIN WITH SAID TUBE BEING DISPOSED IN SAID OPENING AND ACROSS THE PLANE OF SAID FIN, FORCING INWARDLY ON THE OPPOSITE PERIPHERAL EDGES OF SAID FIN FOR COLLAPSING SAID FIN IN SAID PLANE THEREOF AND IN THE DIRECTION ALONG SAID LINE OF SAID SELECTED DIMENSION UNTIL OPPOSITE EDGES OF SAID FIN DEFINING SAID OPENING ARE SNUG ON RESPECTIVELY SAID OPPOSITE EXTERIOR SURFACES OF SAID TUBE AND IN ABUTMENT THEREWITH, AND METALLURGICALLY BONDING SAID TUBE AND SAID FIN TOGETHER AT THE AREAS OF ABUTMENT THEREBETWEEN.
Claim 2
Independent Claim
190 words
A METHOD OF MANUFACTURING A HEAT EXCHANGER OF THE TUBE AND SHEET FIN TYPE, COMPRISING THE STEPS OF FORMING A TUBE INTO A CROSS-SECTIONAL SHAPE AND HAVING DIAMETRICALLY OPPOSITE EXTERIOR SURFACES SPACED APART A SELECTED DIMENSION, FORMING AN OPENING IN THE SHEET OF THE FIN FOR RECEIVING THE TUBE CO-AXIALLY OF SAID OPENING AND WITH SAID OPENING BEING LARGER THAN SAID SELECTED DIMENSION OF SAID TUBE ALONG THE LINE OF ORIENTATION OF SAID SELECTED DIMENSION, SCORING SAID FIN ALONG A LINE ORIENTED TO BE BOTH TRANSVERSE TO SAID LINE OF ORIENTATION OF SAID SELECTED DIMENSION AND IN INTERSECTION WITH SAID OPENING, ASSEMBLING SAID TUBE AND SAID FIN WITH SAID TUBE BEING DISPOSED IN SAID OPENING AND ACROSS THE PLANE OF SAID FIN, FORCING INWARDLY ON THE OPPOSITE PERIPHERAL EDGES OF SAID FIN FOR COLLAPSING SAID FIN IN SAID PLANE THEREOF AND IN THE DIRECTION ALONG SAID LINE OF SAID SELECTED DIMENSION UNTIL OPPOSITE EDGES OF SAID FIN DEFINING SAID OPENING ARE SNUG ON RESPECTIVELY SAID OPPOSITE EXTERIOR SURFACES OF SAID TUBE AND IN ABUTMENT THEREWITH, AND METALLURGICALLY BONDING SAID TUBE AND SAID FIN TOGETHER AT THE AREAS OF ABUTMENT THEREBETWEEN.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |