US2974286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Laboratory For Electronics Inc
•
Filing: 1952-09-27
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Granted: 1961-03-07
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Expires: 1972-09-27
Abstract
No abstract record available.
Inventors
- 👤 Maurice A Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/22; H03K5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2551805A
Cited
US2485665A
Cited
US2507160A
Cited
US2492780A
Cited
US2488193A
Cited
US2572912A
Cited
US2628309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |