US1972961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disinfectant
Assignee: EIDP Inc
•
Filing: 1931-05-26
•
Granted: 1934-09-11
•
Expires: 1951-05-26
Abstract
No abstract record available.
Inventors
- 👤 Wendell H Tisdale
- 👤 Williams Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
A; A43; A43B; A43B7/00; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/26; C; C11; C11D; C11D1/00
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) | 1937-09-10 | 1938-03-12 | 1938-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-09-10 | 1942-03-12 | 1942-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-09-10 | 1946-03-12 | 1946-09-11 | $7700.00 | Window Closed / Lapsed |