Patent US3522564A successfully refreshed from Google Patents.
US3522564A
Expired / Lapsed
US
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Reed relay
Assignee: Panasonic Electric Works Co Ltd
•
Filing: 1969-02-25
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Granted: 1970-08-04
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Expires: 1989-02-25
Abstract
No abstract record available.
Inventors
- 👤 Tetsuo Mori
- 👤 Takashi Takada
- 👤 Keiji Okahashi
- 👤 Sueyoshi Matsumura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:29
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/281; H01H50/00; H01H50/02; H01H50/04; H01H50/041; H01H50/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3047691A
Cited
US3348174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |