Patent US3294155A successfully refreshed from Google Patents.
US3294155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for circulating coolant
Assignee: Individual
•
Filing: 1964-01-09
•
Granted: 1966-12-27
•
Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Biegler Hanns
- 👤 Endter Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:02
CPC Classifications
F; F27; F27D; F27D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR SUPPLYING LIQUID COOLANT TO A COOLANT ELEMENT ASSOCIATED WITH A REACTION VESSEL, COMPRISING SUCKING THE COOLANT THROUGH THE COOLING ELEMENT FROM A SOURCE HAVING A FREE LIQUID SURFACE AT A LOWER LEVEL THAN THE COOLING ELEMENT, AND OF A CAPACITY SUFFICIENT TO CONTAIN ALL THE LIQUID IN THE COOLING ELEMENT.
Claim 2
Dependent Claim
53 words
A PROCESS FOR SUPPLYING LIQUID COOLANT TO A COOLANT ELEMENT ASSOCIATED WITH A REACTION VESSEL, COMPRISING SUCKING THE COOLANT THROUGH THE COOLING ELEMENT FROM A SOURCE HAVING A FREE LIQUID SURFACE AT A LOWER LEVEL THAN THE COOLING ELEMENT, AND OF A CAPACITY SUFFICIENT TO CONTAIN ALL THE LIQUID IN THE COOLING ELEMENT.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |