US2888940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay for maintaining a constant ratio between a primary variable and a secondary variable in response to a tertiary variable
Assignee: Honeywell Inc
•
Filing: 1956-09-06
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Granted: 1959-06-02
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Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:32
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/035; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2236097A
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US2257905A
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US2314152A
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US2369571A
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US2655037A
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US2706084A
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GB671337A
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US2698025A
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 |