Patent US3495174A successfully refreshed from Google Patents.
US3495174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for evaluating the transient behavior of a repetitively switched test device
Assignee: Vyzkumny Ustav Matematickych Stroju
•
Filing: 1967-04-28
•
Granted: 1970-02-10
•
Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 Alois Marek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/26; G01R31/2607; G01R31/2632; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/182
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3348145A
Cited
US3370234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |