Patent US2937077A successfully refreshed from Google Patents.
US2937077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for chemical reaction of fluids
Assignee: Foster Wheeler Inc
•
Filing: 1954-05-05
•
Granted: 1960-05-17
•
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 17:07
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2228171A
Cited
US1659948A
Cited
US1822992A
Cited
US1904439A
Cited
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 |