Patent US3175422A successfully refreshed from Google Patents.
US3175422A
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Memory storage pin detent means for electro-mechanical memories
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-05-16
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Granted: 1965-03-30
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin C Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:07
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/34; B65G47/46; B65G47/50; B65G47/503; B65G47/48; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2105
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
IN A MEMORY STORAGE DEVICE, A CARRIER ELEMENT, A MEMORY STORAGE ELEMENT CARRIED BY SAID CARRIER ELEMENT AND MOUNTED FOR MOVEMENT TO EITHER OF TWO ALTERNATE POSITIONS WITH RESPECT THERETO, ONE OF SAID ELEMENTS HAVING MAGNETIZED MEANS COMPRISING SPACED MAGNETIC SURFACES FOR EFFECTING RETENTION OF SAID MEMORY STORAGE ELEMENT BY MAGNETIC EFFECT IN EITHER OF SAID ALTERNATE POSITIONS, THE OTHER OF SAID ELEMENTS HAVING ARMATURE MEANS ENGAGEABLE BY SAID MAGNETIC SURFACES.
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |