US5359847B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual fuel ultra-flow nox combustor
Assignee: Siemens Energy Inc
•
Filing: 1993-06-01
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Granted: 1996-04-09
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Expires: 2013-06-01
Abstract
No abstract record available.
Inventors
- 👤 Paul W Pillsbury
- 👤 David T Foss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:25
CPC Classifications
F; F02; F02C; F02C1/00; F23; F23R; F23R3/00; F23R3/28; F23R3/34; F23D; F23D17/00; F23D17/002; F23D23/00
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) | 1999-04-09 | 1999-10-09 | 2000-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-04-09 | 2003-10-09 | 2004-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-09 | 2007-10-09 | 2008-04-09 | $7700.00 | Window Closed / Lapsed |