US2352606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products
Assignee: Individual
•
Filing: 1939-07-29
•
Granted: 1944-07-04
•
Expires: 1959-07-29
Abstract
No abstract record available.
Inventors
- 👤 Alder Kurt
- 👤 Windemuth Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:33
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/22; C07C17/00; C07C17/26; C07C17/30; C07C209/00; C07C209/60; C07C253/00; C07C253/30; C07C29/00; C07C29/44; C07C29/46; C07C331/00; C07C331/16; C07C331/18; C07C331/22; C07C35/23; C07C35/28; C07C41/00; C07C41/01; C07C41/18; C07C41/30; C07C51/00; C07C51/347; C07C51/353; C07C2601/00; C07C2601/12; C07C2601/16; C07C2602/00; C07C2602/36; C07C2602/42; C07C2603/00; C07C2603/56; C07C2603/86; C07C2603/88
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) | 1947-07-04 | 1948-01-03 | 1948-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-04 | 1952-01-03 | 1952-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-04 | 1956-01-03 | 1956-07-04 | $7700.00 | Window Closed / Lapsed |