Patent US3518855A successfully refreshed from Google Patents.
US3518855A
Expired / Lapsed
US
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Magnetically actuated tumbler lock
Assignee: Fuji Manufacturing Co Ltd
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Filing: 1968-06-21
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Granted: 1970-07-07
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Expires: 1988-06-21
Abstract
No abstract record available.
Inventors
- 👤 Kiyoyasu Wake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:57
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0038; E05B47/0044; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7057; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7554; Y10T70/7559; Y10T70/7576; Y10T70/778; Y10T70/7791; Y10T70/7904; Y10T70/7915; Y10T70/7932; Y10T70/7944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1172203A
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US2116965A
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US2393428A
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US2769873A
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US2931953A
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US3111834A
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US3416336A
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US3444711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |