US1893594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card holder
Assignee: Individual
•
Filing: 1931-04-16
•
Granted: 1933-01-10
•
Expires: 1951-04-16
Abstract
No abstract record available.
Inventors
- 👤 Albert R Oestreich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:49
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F3/00; G09F3/08; G09F3/18; G09F3/20
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) | 1936-01-10 | 1936-07-11 | 1937-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-10 | 1940-07-11 | 1941-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-10 | 1944-07-11 | 1945-01-10 | $7700.00 | Window Closed / Lapsed |