US2889517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical measuring apparatus
Assignee: Honeywell Inc
•
Filing: 1954-02-15
•
Granted: 1959-06-02
•
Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Ehret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:44
CPC Classifications
G; G01; G01R; G01R17/00; G01R17/20; G01R19/00; G01R19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2421560A
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US2508424A
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US2586686A
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US2487010A
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US2609459A
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US2653282A
Cited
US2761916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |