Patent US2746667A successfully refreshed from Google Patents.
Patent US2069957A successfully refreshed from Google Patents.
US2069957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray
Assignee: Individual
•
Filing: 1934-03-10
•
Granted: 1937-02-09
•
Expires: 1954-03-10
Abstract
No abstract record available.
Inventors
- 👤 Klein Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
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) | 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 |