Patent US3404067A successfully refreshed from Google Patents.
US3404067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing radioactive materials from the environment of an atomic reactor
Assignee: Airco Inc
•
Filing: 1965-02-12
•
Granted: 1968-10-01
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 John J Rendos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:19
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/28; G21C19/30; G21C19/303; G21F; G21F9/00; G21F9/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN COMBINATION WITH A NUCLEAR REACTOR COMPRISING A CORE CONTAINED IN A PRESSURE VESSEL SURROUNDED BY SHIELDING MEANS FORMING A CHAMBER, MEANS TO FORCE AIR INTO SAID CHAMBER DURING NORMAL OPERATION OF SAID REACTOR TO REMOVE RADIOACTIVE CONTAMINANTS THEREFROM, FURTHER MEANS TO DIRECT SAID AIR TO THE ATMOSPHERE AFTER ITS EXHAUST FROM SAID CHAMBER, DETECTING MEANS TO SENSE THE CONCENTRATIONS OF RADIOACTIVE CONTAMINANTS IN SAID AIR, MEANS COMPRISING A CLOSED CONDUIT SYSTEM TO INTRODUCE AN INERT GAS INTO SAID CHAMBER TO REMOVE SAID CONTAMINANTS FROM SAID CHAMBER, SAID DETECTING MEANS TRIGGERING SAID MEANS FOR INTRODUCING INERT GAS WHEN A PREDETERMINED LEVEL OF CONTAMINANTS HAS BEEN SENSED BY SAID DETECTING MEANS AND MEANS INCLUDED IN SAID SYSTEM FOR REMOVING SAID CONTAMINANTS FROM SAID INERT GAS.
Claim 2
Dependent Claim
124 words
IN COMBINATION WITH A NUCLEAR REACTOR COMPRISING A CORE CONTAINED IN A PRESSURE VESSEL SURROUNDED BY SHIELDING MEANS FORMING A CHAMBER, MEANS TO FORCE AIR INTO SAID CHAMBER DURING NORMAL OPERATION OF SAID REACTOR TO REMOVE RADIOACTIVE CONTAMINANTS THEREFROM, FURTHER MEANS TO DIRECT SAID AIR TO THE ATMOSPHERE AFTER ITS EXHAUST FROM SAID CHAMBER, DETECTING MEANS TO SENSE THE CONCENTRATIONS OF RADIOACTIVE CONTAMINANTS IN SAID AIR, MEANS COMPRISING A CLOSED CONDUIT SYSTEM TO INTRODUCE AN INERT GAS INTO SAID CHAMBER TO REMOVE SAID CONTAMINANTS FROM SAID CHAMBER, SAID DETECTING MEANS TRIGGERING SAID MEANS FOR INTRODUCING INERT GAS WHEN A PREDETERMINED LEVEL OF CONTAMINANTS HAS BEEN SENSED BY SAID DETECTING MEANS AND MEANS INCLUDED IN SAID SYSTEM FOR REMOVING SAID CONTAMINANTS FROM SAID INERT GAS.
References Cited (Backward Citations)
US2284662A
Cited
US3203866A
Cited
US3115450A
Cited
US3155595A
Cited
US3158546A
Cited
US3232843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |