US2477062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recording of rapidly varying processes
Assignee: Individual
•
Filing: 1941-10-28
•
Granted: 1949-07-26
•
Expires: 1961-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jacobi Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:56
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB221077A
Cited
GB241505A
Cited
GB432922A
Cited
US2228883A
Cited
US2348711A
Cited
US2321605A
Cited
US2340880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |