US3476519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming oven for a synthetic gas production plant
Assignee: APP EAU GAZ IND CONST
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Filing: 1966-10-11
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Granted: 1969-11-04
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Expires: 1986-10-11
Abstract
No abstract record available.
Inventors
- 👤 Jacques E Decaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:08
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; B01J8/062; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384
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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |