Patent US3348528A successfully refreshed from Google Patents.
US3348528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling apparatus
Assignee: Individual
•
Filing: 1966-06-16
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Granted: 1967-10-24
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Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert A White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:44
CPC Classifications
F; F28; F28F; F28F19/00; F28F19/002; F28F19/02; F28F19/04; F28F9/00; F28F9/02; F28F9/04; F28F9/06; F28F9/10; Y; Y10; Y10S; Y10S138/00; Y10S138/03; Y10S138/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
COOLING APPARATUS COMPRISING A COPPER MEMBER HAVING A COOLING FLUID CHAMBER THERIN AND A THREADED OPENING INTO SAID FLUID CHAMBER, A DIELECTRIC BUSHING HAVING INTERNAL AND EXTERNAL THREADS THREADED INTO SAID OPENING, A FERROUS PIPE THREADED INTO SAID BUSHING, AN EXTERNAL FLANGE ON SAID PIPE ADJACENT SAID BUSHING, AND A PROTECTIVE COATING ON THE INSIDE AND OUTSIDE OF SAID PIPE, SAID PROTECTIVE COATING HAVING A MELTING POINT OF AT LEAST ABOUT 400* F.
Claim 2
Dependent Claim
73 words
COOLING APPARATUS COMPRISING A COPPER MEMBER HAVING A COOLING FLUID CHAMBER THERIN AND A THREADED OPENING INTO SAID FLUID CHAMBER, A DIELECTRIC BUSHING HAVING INTERNAL AND EXTERNAL THREADS THREADED INTO SAID OPENING, A FERROUS PIPE THREADED INTO SAID BUSHING, AN EXTERNAL FLANGE ON SAID PIPE ADJACENT SAID BUSHING, AND A PROTECTIVE COATING ON THE INSIDE AND OUTSIDE OF SAID PIPE, SAID PROTECTIVE COATING HAVING A MELTING POINT OF AT LEAST ABOUT 400* F.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |