Patent US3048153A successfully refreshed from Google Patents.
US3048153A
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Vapor generator
Assignee: Combustion Engineering Inc
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Filing: 1956-07-11
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Granted: 1962-08-07
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Expires: 1976-07-11
Abstract
No abstract record available.
Inventors
- 👤 Roy F Abrahamsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:04
CPC Classifications
F; F23; F23C; F23C10/00; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; F22; F22B; F22B31/00; F22B31/0007; F22B31/0015; F22B31/0023; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00141
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |