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US2070131A
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Manufacture of condensation products from aliphatic aldehydes
Assignee: Otto Fuchs KG
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Filing: 1934-03-27
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Granted: 1937-02-09
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Expires: 1954-03-27
Abstract
No abstract record available.
Inventors
- 👤 Joshua Walter Philip
- 👤 Stanley Herbert Muggleton
- 👤 Fuchs Otto
- 👤 Querfurth Wilhelm
- 👤 Dymock John Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:17
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C27/00; C07C27/04; C07C67/00; C07C67/44
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) | 1940-02-09 | 1940-08-10 | 1941-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-09 | 1944-08-10 | 1945-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-09 | 1948-08-10 | 1949-02-09 | $7700.00 | Window Closed / Lapsed |