US2201206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of anhydrous magnesium chloride
Assignee: MAGNESIUM DEV CORP
•
Filing: 1939-01-05
•
Granted: 1940-05-21
•
Expires: 1959-01-05
Abstract
No abstract record available.
Inventors
- 👤 Schmid Walther
- 👤 Wienert Fritz
- 👤 Stocmeier Hans Georg Lange Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:26
CPC Classifications
C; C01; C01F; C01F5/00; C01F5/26; C01F5/30; C01F5/34; F; F02; F02M; F02M23/00; F02M23/02; F02M23/03; F02M23/04; F02M23/08; F02M23/09; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
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) | 1943-05-21 | 1943-11-20 | 1944-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-21 | 1947-11-20 | 1948-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-21 | 1951-11-20 | 1952-05-21 | $7700.00 | Window Closed / Lapsed |