Patent US3099730A successfully refreshed from Google Patents.
US3099730A
Expired / Lapsed
US
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Magnetic switch
Assignee: Individual
•
Filing: 1960-10-18
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Granted: 1963-07-30
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Expires: 1980-10-18
Abstract
No abstract record available.
Inventors
- 👤 Tateishi Kazuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:34
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/546; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H1/2008; H01H50/44; H01H50/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A MAGNETIC SWITCH, A CASING CONTAINING AN ELECTROMAGNET, A STATIONARY MEMBER ATTACHED TO AND DISPOSED OVER THE CASING, A MOVABLE MEMBER MOUNTED WITHIN THE STATIONARY MEMBER, AN UPPER MEMBER MOUNTED ABOVE THE MOVABLE MEMBER AND FASTENED TO THE STATIONARY MEMBER, LOWER STATIONARY CONTACTS MOUNTED ON THE STATIONARY MEMBER, PARTITION WALLS ON SAID STATIONARY MEMBER SEPARATING SAID CONTACTS, SAID PARTITION WALLS BEING PROVIDED WITH VERTICAL GROOVES AT THEIR EDGES, THE STATIONARY MEMBER HAVING SIDE WALLS, ONE OF WHICH IS PROVIDED WITH A VERTICAL RIB, THE MOVABLE MEMBER CARRYING MOVABLE CONTACTS, PARTITION WALLS ON THE MOVABLE MEMBER SEPARATING THE MOVABLE CONTACTS, THE LATTER WALLS HAVING VERTICAL GROOVES IN THEIR OUTER EDGES, PARTITION WALLS ON THE UPPER MEMBER ENTERING THE GROOVES IN THE PARTITION WALLS OF THE STATIONERY AND MOVABLE MEMBERS, THE UPPER MEMBER HAVING AN END WALL PROVIDED WITH A VERTICAL RIB, AND THE MOVABLE MEMBER HAVING END WALLS PROVIDED WITH VERTICAL GROOVES WHICH RESPECTIVELY ENGAGE WITH THE RIB IN THE END WALL OF THE STATIONARY MEMBER AND THE GROOVE IN THE END WALL OF THE UPPER MEMBER.
Claim 2
Dependent Claim
177 words
IN A MAGNETIC SWITCH, A CASING CONTAINING AN ELECTROMAGNET, A STATIONARY MEMBER ATTACHED TO AND DISPOSED OVER THE CASING, A MOVABLE MEMBER MOUNTED WITHIN THE STATIONARY MEMBER, AN UPPER MEMBER MOUNTED ABOVE THE MOVABLE MEMBER AND FASTENED TO THE STATIONARY MEMBER, LOWER STATIONARY CONTACTS MOUNTED ON THE STATIONARY MEMBER, PARTITION WALLS ON SAID STATIONARY MEMBER SEPARATING SAID CONTACTS, SAID PARTITION WALLS BEING PROVIDED WITH VERTICAL GROOVES AT THEIR EDGES, THE STATIONARY MEMBER HAVING SIDE WALLS, ONE OF WHICH IS PROVIDED WITH A VERTICAL RIB, THE MOVABLE MEMBER CARRYING MOVABLE CONTACTS, PARTITION WALLS ON THE MOVABLE MEMBER SEPARATING THE MOVABLE CONTACTS, THE LATTER WALLS HAVING VERTICAL GROOVES IN THEIR OUTER EDGES, PARTITION WALLS ON THE UPPER MEMBER ENTERING THE GROOVES IN THE PARTITION WALLS OF THE STATIONERY AND MOVABLE MEMBERS, THE UPPER MEMBER HAVING AN END WALL PROVIDED WITH A VERTICAL RIB, AND THE MOVABLE MEMBER HAVING END WALLS PROVIDED WITH VERTICAL GROOVES WHICH RESPECTIVELY ENGAGE WITH THE RIB IN THE END WALL OF THE STATIONARY MEMBER AND THE GROOVE IN THE END WALL OF THE UPPER MEMBER.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |