US3548203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency reciprocal counting circuits employing a plurality of bistable circuits sequentially coupled to a succeeding circuit by means of coincidence gates and switches
Assignee: SAPIEN ELECTRONICS CORP
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Filing: 1967-10-09
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Granted: 1970-12-15
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Philip Basse
- 👤 Patrick J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:30
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/64; H03K23/66
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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |