US5083039B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed wind turbine
Assignee: US WINDPOWER Inc A CORP OF
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Filing: 1991-02-01
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Granted: 1999-11-16
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Expires: 2011-02-01
Abstract
No abstract record available.
Inventors
- 👤 Robert D Richardson
- 👤 William L Erdman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:10
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/0272; F03D7/0276; F03D7/04; F03D7/042; F03D9/00; F03D9/20; F03D9/25; F03D9/255; H; H02; H02J; H02J3/00; H02J3/18; H02J3/1821; H02J3/1835; H02J3/1842; H02J3/1892; H02J3/38; H02J3/381; H02P; H02P21/00; H02P21/06; H02P9/00; H02P9/04; H02P9/42; H02P9/48; F05; F05B; F05B2220/00; F05B2220/70; F05B2220/706; F05B2220/7064; F05B2270/00; F05B2270/10; F05B2270/1016; F05B2270/103; F05B2270/1032; F05B2270/104; F05B2270/20; F05B2270/30; F05B2270/327; F05B2270/328; F05B2270/335; H02J2101/00; H02J2101/20; H02J2101/28; H02J3/40; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5387; H02M7/53871; H02M7/53875; H02M7/53876; H02P2101/00; H02P2101/15; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/56; Y02E10/70; Y02E10/72; Y02E10/76; Y02E40/00; Y02E40/20
Claims Analysis
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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) | 2002-11-15 | 2003-05-17 | 2003-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-15 | 2007-05-17 | 2007-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-15 | 2011-05-17 | 2011-11-16 | $7700.00 | Window Closed / Lapsed |