Patent US2715564A successfully refreshed from Google Patents.
US2715564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrazine
Assignee: Olin Corp
•
Filing: 1953-12-23
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Granted: 1955-08-16
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Expires: 1973-12-23
Abstract
No abstract record available.
Inventors
- 👤 Orlan M Arnold
- 👤 Robert M Jamison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:53
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A METHOD FOR REPRESSING THE DISSOLUTION OF COPPER IN HYDRAZINE WHICH COMPRISES INCLUDING AS A SOLUTE IN THE HYDRAZINE A COMPOUND SLECTED FROM THE GROUP CONSISTING OF TETRAMETHYL THIURAM MONOSULFIDE, TETRAMETHYL THIURAM DISULFIDE, 2,2 DIBENZOTHIAZYL SULFIDE AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2502109A
Cited
US2680066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |