US2477978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3,4-dichloro-1-(alpha-chloro-beta-trichloroethyl)-benzene
Assignee: BASF Schweiz AG
•
Filing: 1947-05-14
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Granted: 1949-08-02
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Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Graenacher Charles
- 👤 Streull Paul
- 👤 Usteri Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:23
CPC Classifications
C; C07; C07C; C07C25/00; C07C25/02; C07C17/00; C07C17/093; C07C17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2010841A
Cited
US2329074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |