Patent US4587126A successfully refreshed from Google Patents.
US3166647A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1961-11-29
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Granted: 1965-01-19
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Edward C Bean
- 👤 Cyrus J Creveling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:28
CPC Classifications
H; H01; H01H; H01H27/00; H01H27/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A CODE KEY FOR SETTING A SWITCH MATRIX COMPRISING, A STORAGE BLOCK, A PLURALITY OF SPRING-LOADED KEY PINS MOUNTED FOR MOVEMENT WITHIN AND PARTIALLY EXTENDING EXTERNALLY OF SAID STORAGE BLOCK, A HOUSING COVER ATTACHED TO SAID STORAGE BLOCK, A KEY SKIRT COVERING THE EXTENDED PORTION OF SAID PARTIALLY EXTERNALLY EXTENDING KEY PINS AND MOVABLY SECURED TO SAID HOUSING COVER AND SAID STORAGE BLOCK, A DUAL PURPOSE SHAFT EXTENDING THROUGH SAID HOUSING COVER, SAID STORAGE BLOCK AND SAID KEY SKIRT, A LOCKING PLATE MOVABLY MOUNTED BETWEEN SAID KEY SKIRT AND SAID STORAGE BLOCK FOR LOCKING SAID KEY PINS IN SELECTIVE RELATIVE POSITIONS TO SAID STORAGE BLOCK, AND MEANS FOR ROTATING SAID DUAL PURPOSE SHAFT.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |