US3063804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of dinitrogen tetroxide
Assignee: Hercules Powder Co
•
Filing: 1959-06-10
•
Granted: 1962-11-13
•
Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Donald G Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:26
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/20; C01B21/36; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD FOR THE MANUFACTURE OF DINITROGEN TETROXIDE WHICH COMPRISES IN COMBUSTION THE FOLLOWING STEPS: PASSING A HOT GAS MIXTURE CONTAINING NITRIC OXIDE AND RAPIDLY COOLED TO A TEMPERATURE ABOVE ITS DEW POINT INTO THE LOWER PORTION OF A REACTOR AT SUPERATMOSPHERIC PRES-
Claim 2
Independent Claim
43 words
A METHOD FOR THE MANUFACTURE OF DINITROGEN TETROXIDE WHICH COMPRISES IN COMBUSTION THE FOLLOWING STEPS: PASSING A HOT GAS MIXTURE CONTAINING NITRIC OXIDE AND RAPIDLY COOLED TO A TEMPERATURE ABOVE ITS DEW POINT INTO THE LOWER PORTION OF A REACTOR AT SUPERATMOSPHERIC PRES-
References Cited (Backward Citations)
US1989267A
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US1872638A
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US1901816A
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US2098953A
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US2761761A
Cited
US2725280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |