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US2429531A
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Process for producing calcium hypochlorite
Assignee: Mathieson Alkali Works Inc
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Filing: 1944-02-18
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Granted: 1947-10-21
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Expires: 1964-02-18
Abstract
No abstract record available.
Inventors
- 👤 Edward C Soule
- 👤 Homer L Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:07
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/04; C01B11/06; C01B11/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1426752A
Cited
US1481039A
Cited
US1481003A
Cited
GB266181A
Cited
US1937230A
Cited
GB487009A
Cited
US2320635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |