US2669686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety control for motor operated machines
Assignee: Honeywell Inc
•
Filing: 1947-10-23
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Granted: 1954-02-16
•
Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Riche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:06
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/18; F16P3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1634382A
Cited
US1775730A
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US2151812A
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US2304542A
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US2404980A
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US2579595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |