US3234436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary electromagnetic actuator
Assignee: Daco Instrument Co Inc
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Filing: 1962-09-12
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Granted: 1966-02-08
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jacob J Bieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:41
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A ROTARY ELECTROMAGNETIC ACTUATOR COMPRISING A FIRST COIL AND FIRST POLE PIECES ASSOCIATED THEREWITH, A SECOND COIL AND SECOND POLE PIECES ASSOCIATED THEREWITH, A ROTOR SHAFT PASSING THROUGH SAID COILS, FIRST AND SECOND ROTORS SECURED TO SAID SHAFT AND OPERATIVELY ASSOCIATED WITH SAID FIRST POLE PIECES AND SAID SECOND POLE PIECES, RESPECTIVELY, SAID ROTORS BEING DISPOSED RELATIVE TO THEIR RESPECTIVE POLE PIECES WHEREBY ENERGIZATION OF SAID FIRST COIL CAUSES SAID
Claim 2
Dependent Claim
70 words
A ROTARY ELECTROMAGNETIC ACTUATOR COMPRISING A FIRST COIL AND FIRST POLE PIECES ASSOCIATED THEREWITH, A SECOND COIL AND SECOND POLE PIECES ASSOCIATED THEREWITH, A ROTOR SHAFT PASSING THROUGH SAID COILS, FIRST AND SECOND ROTORS SECURED TO SAID SHAFT AND OPERATIVELY ASSOCIATED WITH SAID FIRST POLE PIECES AND SAID SECOND POLE PIECES, RESPECTIVELY, SAID ROTORS BEING DISPOSED RELATIVE TO THEIR RESPECTIVE POLE PIECES WHEREBY ENERGIZATION OF SAID FIRST COIL CAUSES SAID
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |