Patent US5389106A successfully refreshed from Google Patents.
US3032708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short indicator
Assignee: Hickok Electrical Instrument Co
•
Filing: 1957-04-04
•
Granted: 1962-05-01
•
Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 David S Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:26
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/24; G01R31/25
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1762712A
Cited
US1916102A
Cited
DE619036C
Cited
GB472168A
Cited
US2619619A
Cited
US2429764A
Cited
US2531345A
Cited
US2682637A
Cited
US2706273A
Cited
US2645754A
Cited
US2752563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |