Patent US3336054A successfully refreshed from Google Patents.
US2107905A
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Chlorinated aralkyl ketones
Assignee: Armour and Co
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Filing: 1937-03-09
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Granted: 1938-02-08
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Expires: 1957-03-09
Abstract
No abstract record available.
Inventors
- 👤 Anderson W Ralston
- 👤 Carl W Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:44
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/63; C07C49/00; C07C49/76; C07C49/80; C10; C10M; C10M2203/00; C10M2203/10; C10M2203/108; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06
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) | 1941-02-07 | 1941-08-09 | 1942-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-07 | 1945-08-09 | 1946-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-07 | 1949-08-09 | 1950-02-08 | $7700.00 | Window Closed / Lapsed |