US2504977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorethyl dibenzyl quaternary ammonium compound
Assignee: Givaudan Roure Corp
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Filing: 1946-02-06
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Granted: 1950-04-25
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Expires: 1966-02-06
Abstract
No abstract record available.
Inventors
- 👤 William S Gump
- 👤 Nikawitz Edward Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:36
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/62; A; A01; A01N; A01N33/00; A01N33/02; A01N33/12; A61; A61K; A61K31/00; A61K31/13; A61K31/14
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |