US1961576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable calcium hypochlorite composition
Assignee: Mathieson Alkali Works Inc
•
Filing: 1932-08-17
•
Granted: 1934-06-05
•
Expires: 1952-08-17
Abstract
No abstract record available.
Inventors
- 👤 Maurice C Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:18
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/04; C01B11/06; C01B11/064
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1937-06-04 | 1937-12-04 | 1938-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-04 | 1941-12-04 | 1942-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-04 | 1945-12-04 | 1946-06-05 | $7700.00 | Window Closed / Lapsed |