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US4294178B1
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US4294178B1 - - Google Patents
Assignee: Combustion Engineering Inc
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Filing: 1979-07-12
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Granted: 1992-06-02
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Expires: 1999-07-12
Abstract
No abstract record available.
Inventors
- 👤 W Borio Richard
- 👤 K Mehta Arun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:02
CPC Classifications
F; F23; F23C; F23C9/00; F23C9/003; F23C5/00; F23C5/08; F23C5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-02 | 1995-12-02 | 1996-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-02 | 1999-12-02 | 2000-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-02 | 2003-12-02 | 2004-06-02 | $7700.00 | Window Closed / Lapsed |