US3252883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frames for electrolytic diaphragm cells
Assignee: Metachem AG
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Filing: 1961-09-27
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Granted: 1966-05-24
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Josef H Schick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/17; C25B9/19; C25B9/70; C25B9/73; C25B9/77; C25B9/75; C25B1/00; C25B1/01; C25B1/02; C25B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
FRAME FOR ELECTROLYTIC DIAPHRAGM CELLS HAVING BIPOLAR ELECTRODES WHICH COMPRISES SINGLE UNIT FRAME MEANS DEFINING A DIAPHRAGM CELL SPACE THEREWITHIN, SAID CELL SPACE BEING PROVIDED WITH INLET MEANS FOR MATERIAL TO BE ELECTRICALLY DECOMPOSED AND OUTLET MEANS FOR THE PRODUCTS OF ELECTROLYSIS, AT LEAST TWO BIPOLAR ELECTRODES EACH HAVING AN ANODE PORTION AND A CATHODE PORTION BEING DISPOSED IN SAID CELL SPACE COMPLETELY WITHIN SAID SINGLE UNIT FRAME MEANS IN SERIES RELATIONSHIP WITH EACH BIPOLAR ELECTRODE HAVING A DIAPHRAGM ADJACENT ONE OF SAID ANODE AND CATHODE PORTIONS AND ATTACHED DIRECTLY THERETO WITHIN SAID FRAME MEANS, SAID ELECTRODES OCCUPYING SAID FRAME MEANS AND IN TURN SAID CELL SPACE SUBSTANTIALLY COMPLETELY.
Claim 2
Dependent Claim
109 words
FRAME FOR ELECTROLYTIC DIAPHRAGM CELLS HAVING BIPOLAR ELECTRODES WHICH COMPRISES SINGLE UNIT FRAME MEANS DEFINING A DIAPHRAGM CELL SPACE THEREWITHIN, SAID CELL SPACE BEING PROVIDED WITH INLET MEANS FOR MATERIAL TO BE ELECTRICALLY DECOMPOSED AND OUTLET MEANS FOR THE PRODUCTS OF ELECTROLYSIS, AT LEAST TWO BIPOLAR ELECTRODES EACH HAVING AN ANODE PORTION AND A CATHODE PORTION BEING DISPOSED IN SAID CELL SPACE COMPLETELY WITHIN SAID SINGLE UNIT FRAME MEANS IN SERIES RELATIONSHIP WITH EACH BIPOLAR ELECTRODE HAVING A DIAPHRAGM ADJACENT ONE OF SAID ANODE AND CATHODE PORTIONS AND ATTACHED DIRECTLY THERETO WITHIN SAID FRAME MEANS, SAID ELECTRODES OCCUPYING SAID FRAME MEANS AND IN TURN SAID CELL SPACE SUBSTANTIALLY COMPLETELY.
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |