US1766403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weener schtjlemann
Assignee: —
•
Filing: —
•
Granted: 1930-06-24
•
Expires: 1947-06-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:06
CPC Classifications
C; C09; C09B; C09B11/00; C09B11/04; C09B11/10; C09B11/24; C07; C07D; C07D219/00; C07D219/04; C07D219/08; C07D219/10; C07D265/00; C07D265/28; C07D265/34; C07D265/38; C07D279/00; C07D279/10; C07D279/14; C07D279/18; C07D279/20; C07D311/00; C07D311/02; C07D311/78; C07D311/80; C07D311/82
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) | 1933-06-23 | 1933-12-23 | 1934-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-23 | 1937-12-23 | 1938-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-23 | 1941-12-23 | 1942-06-24 | $7700.00 | Window Closed / Lapsed |