Patent US2034797A successfully refreshed from Google Patents.
US2034797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of whiting and the like
Assignee: PURE CALCIUM PRODUCTS Co
•
Filing: 1933-08-22
•
Granted: 1936-03-24
•
Expires: 1953-08-22
Abstract
No abstract record available.
Inventors
- 👤 John W Church
- 👤 Raymond R Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:48
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/02; C09C1/021; C09C1/028; C09C3/00; C09C3/04; C09C3/041; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/62; C01P2006/00; C01P2006/12; C01P2006/20; C01P2006/21; C01P2006/60; C01P2006/80; C01P2006/90
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) | 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 |