US2607725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic water correction device and filter combination
Assignee: Butler Engineering Co Inc
•
Filing: 1948-06-10
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Granted: 1952-08-19
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Expires: 1968-06-10
Abstract
No abstract record available.
Inventors
- 👤 Edgar M Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:23
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/46104; C02F1/46176
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A COMBINED FILTER AND SELF-ENERGIZING ELECTROLYTIC WATER CORRECTION DEVICE COMPRISING A SHELL, A PAIR OF HEADS, ONE OF WHICH IS TRANSVERSELY APERTURED TO PROVIDE A FLUID INLET AND AN OUTLET IN COMMUNICATION WITH THE INTERIOR OF SAID SHELL, A HOLLOW FILTER ELEMENT CONCENTRIC WITH AND IN SPACED RELATION TO SAID SHELL AND ABUTTING THE INNER FACES OF SAID HEADS, MEANS HOLDING SAID HEADS, SHELL AND FILTER ELEMENT IN ASSEMBLED RELATION WITH SAID INLET COMMUNICATING WITH THE SPACE BETWEEN SAID SHELL AND SAID FILTER ELEMENT, AND SAID OUTLET COMMUNICATING WITH THE INTERIOR OF SAID FILTER ELEMENT, AND A SELF-ENERGIZING ELECTROLYTIC WATER CORRECTION DEVICE CARRIED BY ONE OF SAID HEADS AND EXTENDING INTO THE INTERIOR OF SAID HOLLOW FILTER ELEMENT, SAID WATER CORRECTION DEVICE THUS BEING INTERPOSED BETWEEN SAID FILTER ELEMENT AND SAID OUTLET FOR THE ELECTROLYTIC CORRECTION OF FILTERED WATER FLOWING THERETHROUGH.
Claim 2
Dependent Claim
141 words
A COMBINED FILTER AND SELF-ENERGIZING ELECTROLYTIC WATER CORRECTION DEVICE COMPRISING A SHELL, A PAIR OF HEADS, ONE OF WHICH IS TRANSVERSELY APERTURED TO PROVIDE A FLUID INLET AND AN OUTLET IN COMMUNICATION WITH THE INTERIOR OF SAID SHELL, A HOLLOW FILTER ELEMENT CONCENTRIC WITH AND IN SPACED RELATION TO SAID SHELL AND ABUTTING THE INNER FACES OF SAID HEADS, MEANS HOLDING SAID HEADS, SHELL AND FILTER ELEMENT IN ASSEMBLED RELATION WITH SAID INLET COMMUNICATING WITH THE SPACE BETWEEN SAID SHELL AND SAID FILTER ELEMENT, AND SAID OUTLET COMMUNICATING WITH THE INTERIOR OF SAID FILTER ELEMENT, AND A SELF-ENERGIZING ELECTROLYTIC WATER CORRECTION DEVICE CARRIED BY ONE OF SAID HEADS AND EXTENDING INTO THE INTERIOR OF SAID HOLLOW FILTER ELEMENT, SAID WATER CORRECTION DEVICE THUS BEING INTERPOSED BETWEEN SAID FILTER ELEMENT AND SAID OUTLET FOR THE ELECTROLYTIC CORRECTION OF FILTERED WATER FLOWING THERETHROUGH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |