Patent US3492613A successfully refreshed from Google Patents.
US3492613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reed relays having aiding coils to couple highly inductive operating coils to reed blades
Assignee: Automatic Electric Laboratories Inc
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Filing: 1967-08-14
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Granted: 1970-01-27
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Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Hendrik W Van Husen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:08
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/281
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985733A
Cited
US3174008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |