US2166604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable compositions comprising chlorinated substances
Assignee: IG Farbenindustrie AG
•
Filing: 1933-04-17
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Granted: 1939-07-18
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Expires: 1953-04-17
Abstract
No abstract record available.
Inventors
- 👤 Meyer Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:35
CPC Classifications
C; C11; C11C; C11C3/00; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 0
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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) | 1942-07-17 | 1943-01-16 | 1943-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-17 | 1947-01-16 | 1947-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-17 | 1951-01-16 | 1951-07-18 | $7700.00 | Window Closed / Lapsed |