Patent US2665651A successfully refreshed from Google Patents.
Patent US2195756A successfully refreshed from Google Patents.
US2195756A
Expired / Lapsed
US
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Production of calcium hypochlorite product
Assignee: Mathieson Alkali Works Inc
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Filing: 1938-07-20
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Granted: 1940-04-02
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Expires: 1958-07-20
Abstract
No abstract record available.
Inventors
- 👤 Maurice C Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:32
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/04; C01B11/06; C01B11/068; Y; Y10; Y10S; Y10S425/00; Y10S425/101
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) | 1943-04-02 | 1943-10-02 | 1944-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-02 | 1947-10-02 | 1948-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-02 | 1951-10-02 | 1952-04-02 | $7700.00 | Window Closed / Lapsed |