US2069731A
Expired / Lapsed
US
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Apparatus and process for dividing viscous masses
Assignee: Lonza AG
•
Filing: 1933-04-15
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Granted: 1937-02-02
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Expires: 1953-04-15
Abstract
No abstract record available.
Inventors
- 👤 Trumpler Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:36
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; B02C17/20; B01; B01J; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30242; Y; Y10; Y10S; Y10S261/00; Y10S261/72
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) | 1940-02-02 | 1940-08-03 | 1941-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-02 | 1944-08-03 | 1945-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-02 | 1948-08-03 | 1949-02-02 | $7700.00 | Window Closed / Lapsed |