US3525595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentric cross flow nozzle apparatus for carrying out reactions between gases
Assignee: Bayer AG
•
Filing: 1968-05-14
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Granted: 1970-08-25
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Expires: 1988-05-14
Abstract
No abstract record available.
Inventors
- 👤 Hans Zirngibl
- 👤 Walter Gutsche
- 👤 Klaus Wauschkuhn
- 👤 Walter Weidmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:14
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/07; B; B01; B01J; B01J12/00; B01J12/005; B01J19/00; B01J19/24; C01B; C01B13/00; C01B13/14; C01B13/20; C01B13/22; C01B32/00; C01B32/90; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/181; C01B33/183; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00132; B01J2219/00135; B01J2219/00157; B01J2219/00159; C01P; C01P2004/00; C01P2004/51; C01P2004/52; C01P2004/60; C01P2004/61; C01P2004/62; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3275412A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |