Patent US3280593A successfully refreshed from Google Patents.
US3280593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling device
Assignee: Raytheon Co
•
Filing: 1965-03-19
•
Granted: 1966-10-25
•
Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Walter H Konkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/28; H01J19/32; H01J19/36; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A COOLING DEVICE COMPRISING A HOLLOW COOLING FINGER HAVING A HEAT LOAD SECURED TO AN OUTER SURFACE THEREOF, MEANS OPERABLE TO DELIVER LIQUID CRYOGEN TO THE COOLING FINGER, AND A FILM OF THERMALLY HEAT CONDUCTING MATERIAL ADHERING TO THE INNER SURFACE OF SAID FINGER.
Claim 2
Dependent Claim
44 words
A COOLING DEVICE COMPRISING A HOLLOW COOLING FINGER HAVING A HEAT LOAD SECURED TO AN OUTER SURFACE THEREOF, MEANS OPERABLE TO DELIVER LIQUID CRYOGEN TO THE COOLING FINGER, AND A FILM OF THERMALLY HEAT CONDUCTING MATERIAL ADHERING TO THE INNER SURFACE OF SAID FINGER.
References Cited (Backward Citations)
US2892250A
Cited
US2973434A
Cited
US3016716A
Cited
US3066222A
Cited
US3006157A
Cited
US3188824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |