US3466539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four-point probe for microminaturized circuitry having individual biasing means for each point
Assignee: Collins Radio Co
•
Filing: 1966-10-31
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Granted: 1969-09-09
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert Donald Pitts
- 👤 Donald R Zrudsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:48
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/073; G01R1/07307; G01R1/07314; G01R1/06705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1068119A
Cited
US2398171A
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US2586868A
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US3001173A
Cited
US3134942A
Cited
US3264556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |