US2937077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for chemical reaction of fluids
Assignee: Foster Wheeler Inc
•
Filing: 1954-05-05
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Granted: 1960-05-17
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Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert C Faatz
- 👤 John J Loporto
- 👤 Wong William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:55
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; B01J8/062; C01B3/384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2228171A
Cited
US1659948A
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US1822992A
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US1904439A
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US2524840A
Cited
US2537708A
Cited
US2491518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |