US3466152A
Expired / Lapsed
US
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Synthetizing reactor equipped with temperature control device for catalyst layer
Assignee: UBE KOGYO KK
•
Filing: 1966-03-22
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Granted: 1969-09-09
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Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Hisao Yamamoto
- 👤 Noboru Iwaasa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:32
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0417; B; B01; B01J; B01J8/00; B01J8/0005; B01J8/02; B01J8/0242; B01J8/025; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132; B01J2208/00168; B01J2208/00194; B01J2208/00212; B01J2208/00221; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127247A
Cited
GB248999A
Cited
US1850398A
Cited
US2512586A
Cited
US2517525A
Cited
GB671573A
Cited
FR993511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |