Patent US3431678A successfully refreshed from Google Patents.
US3431678A
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US
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Position responsive actuator
Assignee: Midland Ross Corp
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Filing: 1966-10-17
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Granted: 1969-03-11
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Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Guy E Stuart Jr
- 👤 Barry F De Vine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:43
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/40; E05F15/41; B; B66; B66B; B66B13/00; B66B13/02; B66B13/06; B66B13/08; E05F15/60; E05F15/603; E05F15/632; E05F15/635; F; F16; F16H; F16H19/00; F16H19/02; F16H19/025; E05F15/652; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/674; E05Y2800/00; E05Y2900/00; E05Y2900/10; E05Y2900/104; E05Y2900/50; E05Y2900/51; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB486687A
Cited
US2572196A
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US2619346A
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US2991406A
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US3048385A
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US3247933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |