US2575322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salt bath rectifier
Assignee: Wyeth Holdings LLC
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Filing: 1948-11-19
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Granted: 1951-11-20
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Edward N Case
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:57
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/44; C21D1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A SALT MIXTURE FOR IN PREPARING A SALT BATH, SAID MIXTURE COMPRISING 0.01-10.0% OF AN ORGANOI NITROGEN COMPOUND OF THE GROUP CONSISTTING OF A GUANIDINE HYDROCHLORIDE, A GUANIDINE PHOSPHATE, A CHLORO TRIAZINE, AND AN AMINO TRIAZINE HYDROCHLORIDE, THE REMAINDER OF SAID MIXTURE BEING A MIXTURE OF AT LEAST TWO MEMBERS OF THE GROUP CONSISTING OF AN ALKALI METAL HALIDE AND AN ALKALINE EARTH METAL HALIDE, SAID HALIDE MIXTURE CONTAINING AT LEAST 1% BUT LESS THAN 95% OF A GIVEN HALIDE.
Claim 2
Dependent Claim
80 words
A SALT MIXTURE FOR IN PREPARING A SALT BATH, SAID MIXTURE COMPRISING 0.01-10.0% OF AN ORGANOI NITROGEN COMPOUND OF THE GROUP CONSISTTING OF A GUANIDINE HYDROCHLORIDE, A GUANIDINE PHOSPHATE, A CHLORO TRIAZINE, AND AN AMINO TRIAZINE HYDROCHLORIDE, THE REMAINDER OF SAID MIXTURE BEING A MIXTURE OF AT LEAST TWO MEMBERS OF THE GROUP CONSISTING OF AN ALKALI METAL HALIDE AND AN ALKALINE EARTH METAL HALIDE, SAID HALIDE MIXTURE CONTAINING AT LEAST 1% BUT LESS THAN 95% OF A GIVEN HALIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |