US2035267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Effervescent sodium perborate
Assignee: Individual
•
Filing: 1934-02-10
•
Granted: 1936-03-24
•
Expires: 1954-02-10
Abstract
No abstract record available.
Inventors
- 👤 Fleischman Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:00
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/22; A61K8/02; A61K8/11; A61K8/30; A61K8/33; A61K8/36; A61K8/365; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/22; A61K2800/222; A61K2800/40; A61K2800/41; A61K2800/412
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) | 1939-03-24 | 1939-09-23 | 1940-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-24 | 1943-09-23 | 1944-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-24 | 1947-09-23 | 1948-03-24 | $7700.00 | Window Closed / Lapsed |