US2346632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic disinfecting agent in a special form
Assignee: Winthrop Chemical Co Inc
•
Filing: 1940-05-07
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Granted: 1944-04-11
•
Expires: 1960-05-07
Abstract
No abstract record available.
Inventors
- 👤 Wolfert Eugen
- 👤 Daab Hansheinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:06
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/18
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) | 1947-04-11 | 1947-10-11 | 1948-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-11 | 1951-10-11 | 1952-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-11 | 1955-10-11 | 1956-04-11 | $7700.00 | Window Closed / Lapsed |