Patent US1191706A successfully refreshed from Google Patents.
Patent US2768888A successfully refreshed from Google Patents.
US2768888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrazine
Assignee: Olin Corp
•
Filing: 1953-06-24
•
Granted: 1956-10-30
•
Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Don W Ryker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:09
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/08; C01; C01B; C01B21/00; C01B21/082; C01B21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
AS A NEW COMPOSITION OF MATTER, A SUBSTANTIALLY ANHYDROUS MIXTURE OF HYDRAZINE AND GUANIDINE NITRATE IN THE RATIO OF ABOUT 72.5 PARTS HYDRAXINE AND ABOUT 27.5 PARTS GUANIDINE NITRATE.
Claim 2
Dependent Claim
29 words
AS A NEW COMPOSITION OF MATTER, A SUBSTANTIALLY ANHYDROUS MIXTURE OF HYDRAZINE AND GUANIDINE NITRATE IN THE RATIO OF ABOUT 72.5 PARTS HYDRAXINE AND ABOUT 27.5 PARTS GUANIDINE NITRATE.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |