US3041400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic switching system
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1958-01-06
•
Granted: 1962-06-26
•
Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Faulkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:25
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H03; H03K; H03K3/00; H03K3/02; H03K3/027; H03K3/038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2619548A
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US2773934A
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US2691073A
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US2844718A
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US2831110A
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US2753403A
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US2837605A
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US2830120A
Cited
US2870259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |