Patent US2800925A successfully refreshed from Google Patents.
Patent US3484625A successfully refreshed from Google Patents.
US3484625A
Expired / Lapsed
US
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Signal responsive device
Assignee: Boeing North American Inc
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Filing: 1966-06-07
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Granted: 1969-12-16
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Expires: 1986-06-07
Abstract
No abstract record available.
Inventors
- 👤 Robert K Booher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/289; H03K19/00; H03K19/003; H03K19/00392; H03K3/027; H03K3/037; H03K3/353; H03K3/356; H03K3/356017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |