US2600425A
Expired / Lapsed
US
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Furnace reactor
Assignee: Silver Engineering Works Inc
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Filing: 1946-10-07
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Granted: 1952-06-17
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Expires: 1966-10-07
Abstract
No abstract record available.
Inventors
- 👤 Vernon F Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:16
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/20; C22B26/22; B; B01; B01J; B01J15/00; B01J8/00; B01J8/08; B01J8/12; C10; C10B; C10B1/00; C10B1/02; C10B1/04; C10J; C10J3/00; C10J3/02; C10J3/06; C10J3/10; C10J3/20; C10J3/30; C10J3/72; C10J3/723; C10J3/74; C10J3/86; F; F27; F27B; F27B5/00; F27B5/04; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00088; B01J2208/00477; B01J2208/00495; B01J2208/00504; B01J2208/0053; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/0943; C10J2300/0946; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0973; C10J2300/0976; C10J2300/12; C10J2300/1253; C10J2300/18; C10J2300/1807; C10J2300/1823; C10J2300/1861; C10J2300/1869; C10J2300/1884; C10J2300/1892
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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |