Patent DE2506524C3 successfully refreshed from Google Patents.
US3209732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical electro-chemical systems
Assignee: Individual
•
Filing: 1963-10-10
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Granted: 1965-10-05
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Laken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:50
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/265; F22B37/42; Y; Y10; Y10T; Y10T137/00; Y10T137/1624
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE COMBINATION IN A CHEMICAL AND ELECTRO-CHEMICAL PROCESSING SYSTEM HAVING A STEAM BOILER AND A PROCESSING TANK, SAID TANK HOLDING AN ACID OR ALKALINE MIXTURE, A COIL IN SAID TANK, MEANS FOR TRANSFEERRING STEAM FROM SAID BOILER TO SAID COIL, RETURN MEANS FOR TRANSFERRING CONDENSATE FROM SAID COIL TO SAID BOILER, A PROTECTIVE DEVICE IN CONNECTION WITH SAID RETURN MEANS PROVIDING UNRESTRICTED PASSAGEWAY TO PERMIT SUBSTANTIALLY UNCONTAMINATED CONDENSATE TO RETURN TO SAID BOILER, SAID DEVICE HAVING A PASSAGEWAY OPEN TO A DRAIN WHICH IS NORMALLY CLOSED BY A SOLUBLE METAL DISK, SAID DISK ADAPTED TO BE DISSOLVED UPON INTRODUCTION OF AN ACID OR ALKALINE CONTAMINATED MIXTURE INTO SAID CONDENSATE WHEREBY SAID CONTAMINATED CONDENSATE IS DIRECTED THROUGH SAID DRAIN AND DIVERTED FROM RETURNING TO SAID BOILER.
Claim 2
Dependent Claim
125 words
THE COMBINATION IN A CHEMICAL AND ELECTRO-CHEMICAL PROCESSING SYSTEM HAVING A STEAM BOILER AND A PROCESSING TANK, SAID TANK HOLDING AN ACID OR ALKALINE MIXTURE, A COIL IN SAID TANK, MEANS FOR TRANSFEERRING STEAM FROM SAID BOILER TO SAID COIL, RETURN MEANS FOR TRANSFERRING CONDENSATE FROM SAID COIL TO SAID BOILER, A PROTECTIVE DEVICE IN CONNECTION WITH SAID RETURN MEANS PROVIDING UNRESTRICTED PASSAGEWAY TO PERMIT SUBSTANTIALLY UNCONTAMINATED CONDENSATE TO RETURN TO SAID BOILER, SAID DEVICE HAVING A PASSAGEWAY OPEN TO A DRAIN WHICH IS NORMALLY CLOSED BY A SOLUBLE METAL DISK, SAID DISK ADAPTED TO BE DISSOLVED UPON INTRODUCTION OF AN ACID OR ALKALINE CONTAMINATED MIXTURE INTO SAID CONDENSATE WHEREBY SAID CONTAMINATED CONDENSATE IS DIRECTED THROUGH SAID DRAIN AND DIVERTED FROM RETURNING TO SAID BOILER.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |