Patent US3284741A successfully refreshed from Google Patents.
US3284741A
Expired / Lapsed
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Lock-up reed switch
Assignee: MCKEE AUTOMATION CORP
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Filing: 1964-04-21
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Granted: 1966-11-08
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 John W Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/284; H01H51/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN COMBINATION WITH A SWITCH DEVICE INCLUDING AN ENVELOPE AND HAVING A PAIR OF MAGNETIC REEDS WITHIN THE ENVELOPE WITH ONE OF EACH REED SUPPORTED IN THE ENVELOPE AND THE OTHER ENDS OF THE REEDS IN SPACED OVERLAPPING RELATION, A PERMANENT MAGNET FOR PROVIDING A MAGNETIC FIELD, MAGNETIC MEANS OPERATIVELY COUPLED TO THE PERMANENT MAGNET FOR LOCATING THE PERMANENT MAGNET AT A PARTICULAR DISTANCE FROM THE SPACED OVERLAPPING ENDS OF THE REEDS, MEANS OPERATIVELY COUPLED TO THE PERMANENT MAGNET FOR MOVING THE PERMANENT MAGNET TO A POSITION ADJACENT THE OVERLAPPING ENDS OF THE REEDS, AND
Claim 2
Dependent Claim
95 words
IN COMBINATION WITH A SWITCH DEVICE INCLUDING AN ENVELOPE AND HAVING A PAIR OF MAGNETIC REEDS WITHIN THE ENVELOPE WITH ONE OF EACH REED SUPPORTED IN THE ENVELOPE AND THE OTHER ENDS OF THE REEDS IN SPACED OVERLAPPING RELATION, A PERMANENT MAGNET FOR PROVIDING A MAGNETIC FIELD, MAGNETIC MEANS OPERATIVELY COUPLED TO THE PERMANENT MAGNET FOR LOCATING THE PERMANENT MAGNET AT A PARTICULAR DISTANCE FROM THE SPACED OVERLAPPING ENDS OF THE REEDS, MEANS OPERATIVELY COUPLED TO THE PERMANENT MAGNET FOR MOVING THE PERMANENT MAGNET TO A POSITION ADJACENT THE OVERLAPPING ENDS OF THE REEDS, AND
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |