US2452154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bromination
Assignee: Colgate Palmolive Co
•
Filing: 1942-04-15
•
Granted: 1948-10-26
•
Expires: 1962-04-15
Abstract
No abstract record available.
Inventors
- 👤 Ross John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:36
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/62; C07B; C07B39/00; C07C45/00; C07C45/61; C07C45/63; C07C49/00; C07C49/04; C07C49/16; C07C49/76; C07C49/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US554974A
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US631608A
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US1440976A
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US1847566A
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US1760328A
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US1933987A
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US2046090A
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US2013791A
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US2224155A
Cited
US2244512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |