Patent US3525595A successfully refreshed from Google Patents.
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
•
Granted: 1970-08-25
•
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 21:34
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2908631A
Cited
US2915367A
Cited
US2957753A
Cited
US3101249A
Cited
BE624372A
Cited
US3361525A
Cited
US3403001A
Cited
US3275411A
Cited
US3311451A
Cited
US3306760A
Cited
US3343911A
Cited
US3275412A
Cited
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 |