US3017250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for the production of hydrogen
Assignee: Universal Oil Products Co
•
Filing: 1959-09-08
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Granted: 1962-01-16
•
Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Charles H Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:32
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/08; C01B3/10; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A CONTINUOUS PROCESS FOR THE PREPARATION OF HYDROGEN WHICH COMPRISES CHARGING STEAM AND HOT FLUIDIZED PARTICLES COMPRISING A METALLIFEROUS STEAM REDUCING AGENT TO A REACTION ZONE, REACTING SAID STEM AND FLUIDIZED PARTICLES THEREIN TO FORM HYDROGEN AND FLUIDIZED PARTICLES COMPRISING AN OXIDE OF SAID METALLIFEROUS STEAM REDUCING AGENT, CONTINUALLY WITHDRAWING HYDOGEN FROM SAID
Claim 2
Dependent Claim
53 words
A CONTINUOUS PROCESS FOR THE PREPARATION OF HYDROGEN WHICH COMPRISES CHARGING STEAM AND HOT FLUIDIZED PARTICLES COMPRISING A METALLIFEROUS STEAM REDUCING AGENT TO A REACTION ZONE, REACTING SAID STEM AND FLUIDIZED PARTICLES THEREIN TO FORM HYDROGEN AND FLUIDIZED PARTICLES COMPRISING AN OXIDE OF SAID METALLIFEROUS STEAM REDUCING AGENT, CONTINUALLY WITHDRAWING HYDOGEN FROM SAID
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |