US1919580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermann wagnee
Assignee: —
•
Filing: —
•
Granted: 1933-07-25
•
Expires: 1950-07-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:08
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/74; C07C215/76; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C211/00; C07C211/43; C07C211/44; C07C211/52; C07C43/00; C07C43/02; C07C43/20; C07C43/225; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-07-24 | 1937-01-23 | 1937-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-24 | 1941-01-23 | 1941-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-24 | 1945-01-23 | 1945-07-25 | $7700.00 | Window Closed / Lapsed |