US2107307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhydroxy poly secondary alkyl phenol germicides
Assignee: Parke Davis and Co LLC
•
Filing: 1933-09-18
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Granted: 1938-02-08
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Expires: 1953-09-18
Abstract
No abstract record available.
Inventors
- 👤 Albert L Rawlins
- 👤 Herbert C Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
C; C07; C07C; C07C39/00; C07C39/02; C07C39/10; C07C37/00; C07C37/11; C07C37/16; C07C39/08
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 |