US3439265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for suppressing interference currents in a measuring circuit by bypassing the interference currents around a branch of the measuring circuit through the suppressing means
Assignee: Individual
•
Filing: 1965-06-08
•
Granted: 1969-04-15
•
Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Albert P Strom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:15
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130865A
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US2307499A
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US2657352A
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US2677803A
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US2920281A
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US2832042A
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US3077561A
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US3252089A
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US3211998A
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US3308309A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |