US2431992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensatory suppressed pointer adjustment for electric meters
Assignee: KNICKERBOCKER DEV CORP
•
Filing: 1943-08-05
•
Granted: 1947-12-02
•
Expires: 1963-08-05
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Dalzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:37
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/4285; G; G01; G01R; G01R31/00; G01R31/36; G01R31/3644; G01R31/3646; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193096A
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US1435259A
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US1586445A
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US1709851A
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US1753043A
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GB306818A
Cited
US1904096A
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US1952072A
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US2091024A
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US2225051A
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US2267826A
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US2352499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |