US3141971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preventing film deposits from organic coolant in the presence of electron irradiation
Assignee: Individual
•
Filing: 1962-04-10
•
Granted: 1964-07-21
•
Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Harry W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:43
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF REDUCING THE DEPOSITION OF FERROUS MATERIAL FROM IRON-CONTAMINATED POLYPHENYL COOLANTS ON SURFACES BEING COOLED BY SAID COOLANTS WHILE UNDERGOING IRRADIATION BY ELECTRONS COMPRISING ELECTRICALLY INSULATING THE SURFACE UNDERGOING IRRADIATION AND PROVIDING AN ELECTRICALLY GROUNDED METAL ELECTRODE IN THE PATH OF FLOW OF THE COOLANT.
Claim 2
Independent Claim
47 words
A METHOD OF REDUCING THE DEPOSITION OF FERROUS MATERIAL FROM IRON-CONTAMINATED POLYPHENYL COOLANTS ON SURFACES BEING COOLED BY SAID COOLANTS WHILE UNDERGOING IRRADIATION BY ELECTRONS COMPRISING ELECTRICALLY INSULATING THE SURFACE UNDERGOING IRRADIATION AND PROVIDING AN ELECTRICALLY GROUNDED METAL ELECTRODE IN THE PATH OF FLOW OF THE COOLANT.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |