Patent US2332288A successfully refreshed from Google Patents.
US2332288A
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US
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Compensating potentiometer
Assignee: Sperry Products Inc
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Filing: 1942-04-09
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Granted: 1943-10-19
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Expires: 1962-04-09
Abstract
No abstract record available.
Inventors
- 👤 Zeitlin Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:10
CPC Classifications
B; B21; B21B; B21B38/00; B21B38/08; G; G01; G01L; G01L5/00; G01L5/0061; G01L5/0076; G01L5/0085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-18 | 1947-04-19 | 1947-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-18 | 1951-04-19 | 1951-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-18 | 1955-04-19 | 1955-10-19 | $7700.00 | Window Closed / Lapsed |