US3446594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for generating hydrogen from liquid hydrogen-containing feedstocks
Assignee: RTX Corp
•
Filing: 1965-08-03
•
Granted: 1969-05-27
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Richard F Buswell
- 👤 Richard A Sederquist
- 👤 Herbert J Setzer
- 👤 Daniel J Snopkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/48; C01B3/22; C01B3/24; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/0283; C01B2203/04; C01B2203/0405; C01B2203/041; C01B2203/06; C01B2203/066; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/0822; C01B2203/0827; C01B2203/0838; C01B2203/0844; C01B2203/0866; C01B2203/0872; C01B2203/0883; C01B2203/10; C01B2203/1005; C01B2203/1011; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/1064; C01B2203/107; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1247; C01B2203/1276; C01B2203/14; C01B2203/142; C01B2203/16; C01B2203/1604; C01B2203/1609; C01B2203/1628; C01B2203/1695; C01B2203/80; C01B2203/82; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3251652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |