US3343596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger and defroster therefor
Assignee: Peerless of America Inc
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Filing: 1965-06-30
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Granted: 1967-09-26
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard W Kritzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:08
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/06; F25D21/08; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/14; F28F1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A HEAT EXCHANGER COMPRISING (A) AN ELONGATED TUBULAR BODY PORTION HAVING (1) A PASSAGEWAY EXTENDING AXIALLY THERETHROUGH (B) ELONGATED FINS (1) PROJECTING LATERALLY FROM SAID BODY PORTION, (2) EXTENDING LONGITUDINALLY THEREOF, (3) EACH COMPRISING A PLURALITY OF ELONGATED SPINES PROJECTING LONGITUDINALLY FROM SAID BODY PORTION, (C)) AN ELONGATED CABLE EXTENDING LONGITUDINALLY OF SAID BODY PORTION, AND (D) MEANS FOR RETAINING SAID CABLE ON SAID BODY PORTION (E) SAID MEANS INCLUDING ONE OF SAID FINS SUPPORTINGLY ENGAGING SAID CABLE.
Claim 2
Dependent Claim
78 words
A HEAT EXCHANGER COMPRISING (A) AN ELONGATED TUBULAR BODY PORTION HAVING (1) A PASSAGEWAY EXTENDING AXIALLY THERETHROUGH (B) ELONGATED FINS (1) PROJECTING LATERALLY FROM SAID BODY PORTION, (2) EXTENDING LONGITUDINALLY THEREOF, (3) EACH COMPRISING A PLURALITY OF ELONGATED SPINES PROJECTING LONGITUDINALLY FROM SAID BODY PORTION, (C)) AN ELONGATED CABLE EXTENDING LONGITUDINALLY OF SAID BODY PORTION, AND (D) MEANS FOR RETAINING SAID CABLE ON SAID BODY PORTION (E) SAID MEANS INCLUDING ONE OF SAID FINS SUPPORTINGLY ENGAGING SAID CABLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |