US3446747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for reforming hydrocarbons
Assignee: Chemical Construction Corp
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Filing: 1964-08-11
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Granted: 1969-05-27
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Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 Salvatore J Bongiorno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:07
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; F02C6/10; B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384; C01B3/48; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/0244; C01B2203/0283; C01B2203/04; C01B2203/0415; C01B2203/0465; C01B2203/0475; C01B2203/06; C01B2203/061; C01B2203/068; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/0838; C01B2203/0844; C01B2203/0866; C01B2203/0872; C01B2203/0888; C01B2203/0894; C01B2203/10; C01B2203/1005; C01B2203/1011; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241; C01B2203/1247; C01B2203/14; C01B2203/142; C01B2203/143; C01B2203/16; C01B2203/1604; C01B2203/80; C01B2203/82; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 0
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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) | 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 |