US3036221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bistable trigger circuit
Assignee: International Standard Electric Corp
•
Filing: 1959-11-06
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Granted: 1962-05-22
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Johann O Kleinschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:03
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/22; H03K17/24; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/30; H03K3/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |