US2432911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mutual conductance apparatus
Assignee: RADIO CITY PRODUCTS CO Inc
•
Filing: 1944-11-04
•
Granted: 1947-12-16
•
Expires: 1964-11-04
Abstract
No abstract record available.
Inventors
- 👤 Lieblich Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:23
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/24; G01R31/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625647A
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US2031925A
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US1989394A
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US1920906A
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US1854901A
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US2192035A
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US2191315A
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US2305307A
Cited
US2378846A
Cited
US2368351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |