Patent US3351430A successfully refreshed from Google Patents.
US3351430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the automatic control of reactions in continuous flow reaction series
Assignee: Huels AG
•
Filing: 1964-04-30
•
Granted: 1967-11-07
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Amrehn Hermann
- 👤 Beckmann Gunther
- 👤 Bernemann Paul
- 👤 Schanzer Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:55
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; B; B01; B01J; B01J19/00; B01J19/0006; B01J19/18; B01J19/1862; B01J3/00; B01J3/04; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/18; B01J2219/185; Y; Y10; Y10T; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3220998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |