US2029831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for concentrating rubber latices
Assignee: GEA Group AG
•
Filing: 1932-05-06
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Granted: 1936-02-04
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Expires: 1952-05-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Petersen
- 👤 Gensecke Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:02
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/06; B01; B01D; B01D1/00; B01D1/16; B01D3/00; B01D3/06; C; C08; C08C; C08C1/00; C08C1/02; C08C1/075; C08C1/12; B29K; B29K2021/00; Y; Y10; Y10S; Y10S159/00; Y10S159/10; Y10S159/20; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/937
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) | 1939-02-03 | 1939-08-05 | 1940-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-03 | 1943-08-05 | 1944-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-03 | 1947-08-05 | 1948-02-04 | $7700.00 | Window Closed / Lapsed |