US2427355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash print recorder
Assignee: Individual
•
Filing: 1944-02-12
•
Granted: 1947-09-16
•
Expires: 1964-02-12
Abstract
No abstract record available.
Inventors
- 👤 Keinath George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:30
CPC Classifications
G; G01; G01R; G01R17/00; G01R17/02; G01D; G01D5/00; G01D5/12; G01D5/25; G01D9/00; G01D9/28; G01D9/32; G01D9/34; G01R17/04; G08; G08C; G08C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1933650A
Cited
US1936683A
Cited
US2139105A
Cited
US2240938A
Cited
US2244497A
Cited
US2366913A
Cited
US2321605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |