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Patent US2078627A successfully refreshed from Google Patents.
US2078627A
Expired / Lapsed
US
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Manufacture of dicalcium phosphate
Assignee: BLOCKSON CHEMICAL Co
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Filing: 1934-06-07
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Granted: 1937-04-27
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Expires: 1954-06-07
Abstract
No abstract record available.
Inventors
- 👤 Block Louis
- 👤 Metziger Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:42
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1868; B01J19/1875; C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/32; C01B25/325; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00085; Y; Y10; Y10S; Y10S71/00; Y10S71/03
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) | 1940-04-26 | 1940-10-26 | 1941-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-26 | 1944-10-26 | 1945-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-26 | 1948-10-26 | 1949-04-27 | $7700.00 | Window Closed / Lapsed |