Patent US3102935A successfully refreshed from Google Patents.
US3102935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic air contactor
Assignee: Maschinenfabrik Oerlikon AG
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Filing: 1960-09-21
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Granted: 1963-09-03
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Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 Christeler Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H50/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
AN ELECTROMAGNETIC AIR CONTACTOR COMPRISING FIRST AND SECOND SEVERABLE MAIN PORTIONS, SAID FIRST MAIN PORTION INCLUDING A CONTACTOR COMPARTMENT INCLUDING A PORTION WITH A BORE DEFINED THEREIN, A FIRST CONTACT MEMBER SLIDABLE IN SAID BORE, FIRST MEANS BIASING SAID FIRST CONTACT IN A FIRST DIRECTION, A MOVABLE SECOND CONTACT BAR DISPLACEABLY GUIDED IN SAID CONTACT COMPARTMENT, SECOND MEANS BIASING SAID MOVABLE CONTACT IN A SECOND DIRECTION OPPOSITE TO SAID FIRST DIRECTION TOWARD ENGAGEMENT WITH SAID FIRST CONTACT, SAID SECOND MAIN PORTION HAVING A CONNECTION CONTACT WITH AT LEAST ONE TERMINAL POST DISPOSED TO BE ELECTRICALLY CONNECTED TO SAID FIRST CONTACT UPON MATING ENGAGEMENT OF SAID FIRST AND SECOND SEVERABLE MAIN PORTIONS, AND ELECTROMAGNETIC PLUNGER AND COIL MEANS CARRIED BY SAID FIRST AND SECOND SEVERABLE MAIN PORTIONS INCLUDING A PLUNGER DISPLACEABLE ALONG A PATH INTERCEPTING SAID SECOND CONTACT MEANS TO MOVE THE LATTER AGAINST SAID SECOND BIASING MEANS FOR DISCONNECTING SAID FIRST AND SECOND CONTACTS, AND SAID PLUNGER BEING DISPLACEABLE IN AN OPPOSITE DIRECTION TO PERMIT ELECTRICAL CONTACTING ENGAGEMENT OF SAID FIRST AND SECOND CONTACTS, WHEREIN SAID ELECTROMAGNETIC SOLENOID MEANS INCLUDES A PLUNGER SLIDABLY CARRIED BY SAID FIRST MAIN PORTION AND A SOLENOID CARRIED BY SAID SECOND MAIN PORTION.
Claim 2
Dependent Claim
198 words
AN ELECTROMAGNETIC AIR CONTACTOR COMPRISING FIRST AND SECOND SEVERABLE MAIN PORTIONS, SAID FIRST MAIN PORTION INCLUDING A CONTACTOR COMPARTMENT INCLUDING A PORTION WITH A BORE DEFINED THEREIN, A FIRST CONTACT MEMBER SLIDABLE IN SAID BORE, FIRST MEANS BIASING SAID FIRST CONTACT IN A FIRST DIRECTION, A MOVABLE SECOND CONTACT BAR DISPLACEABLY GUIDED IN SAID CONTACT COMPARTMENT, SECOND MEANS BIASING SAID MOVABLE CONTACT IN A SECOND DIRECTION OPPOSITE TO SAID FIRST DIRECTION TOWARD ENGAGEMENT WITH SAID FIRST CONTACT, SAID SECOND MAIN PORTION HAVING A CONNECTION CONTACT WITH AT LEAST ONE TERMINAL POST DISPOSED TO BE ELECTRICALLY CONNECTED TO SAID FIRST CONTACT UPON MATING ENGAGEMENT OF SAID FIRST AND SECOND SEVERABLE MAIN PORTIONS, AND ELECTROMAGNETIC PLUNGER AND COIL MEANS CARRIED BY SAID FIRST AND SECOND SEVERABLE MAIN PORTIONS INCLUDING A PLUNGER DISPLACEABLE ALONG A PATH INTERCEPTING SAID SECOND CONTACT MEANS TO MOVE THE LATTER AGAINST SAID SECOND BIASING MEANS FOR DISCONNECTING SAID FIRST AND SECOND CONTACTS, AND SAID PLUNGER BEING DISPLACEABLE IN AN OPPOSITE DIRECTION TO PERMIT ELECTRICAL CONTACTING ENGAGEMENT OF SAID FIRST AND SECOND CONTACTS, WHEREIN SAID ELECTROMAGNETIC SOLENOID MEANS INCLUDES A PLUNGER SLIDABLY CARRIED BY SAID FIRST MAIN PORTION AND A SOLENOID CARRIED BY SAID SECOND MAIN PORTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |