Patent US3366849A successfully refreshed from Google Patents.
US3366849A
Expired / Lapsed
US
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Two-coordinate lock-out circuit
Assignee: International Standard Electric Corp
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Filing: 1965-03-24
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Granted: 1968-01-30
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Raedt Egide Jacob Hendrik De
- 👤 Graeve Roger Paul De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
H; H01; H01H; H01H63/00; H01H63/36; H04; H04Q; H04Q3/00
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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |