US3546603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual-resolution signal converter
Assignee: Boeing North American Inc
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Filing: 1967-06-26
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Granted: 1970-12-08
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Charles E Lenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:49
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/20; G05D3/203; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37112; G05B2219/41; G05B2219/41461; G05B2219/42; G05B2219/42253
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |