Patent US3495237A successfully refreshed from Google Patents.
US3495237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonlinear decoder
Assignee: International Standard Electric Corp
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Filing: 1966-09-23
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Granted: 1970-02-10
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jean Pierre Le Corre
- 👤 Rene Pierre Alexandre Lefevre
- 👤 Alfred Pirotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/046; H04B14/048; H03; H03M; H03M1/00; H03M1/66; H03M1/74; H03M1/742; H03M1/745
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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |