Patent US2536275A successfully refreshed from Google Patents.
US2532503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic counting circuits
Assignee: Individual
•
Filing: 1944-04-24
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Granted: 1950-12-05
•
Expires: 1964-04-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Kennedy
- 👤 William R Baker
- 👤 Clyde E Wiegand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:45
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2037924A
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US2075140A
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US2081074A
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US2049376A
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US2061733A
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US2203882A
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US2163708A
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US2097400A
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US2191903A
Cited
US2321295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |