Patent US2837330A successfully refreshed from Google Patents.
US2837330A
Expired / Lapsed
US
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Control apparatus
Assignee: Honeywell Inc
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Filing: 1956-05-21
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Granted: 1958-06-03
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Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Richard B Lawrance
- 👤 Robert A Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:29
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/62; G11B15/18; G11B15/20; G11B15/22; G11B15/26; G11B15/28; G11B15/285; G11B15/38; G11B15/385; G11B15/43; G11B15/56; G11B15/58; G11B15/605; G11B5/00; G11B5/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |