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US2615085A
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Electrical indicating system
Assignee: Anderson Company of Indiana
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Filing: 1950-03-02
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Granted: 1952-10-21
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Expires: 1970-03-02
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Smulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:49
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/38; G01K; G01K13/00; G01K13/10; G01R5/00; G01R5/22; G01R5/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2205637A
Cited
US2275237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |