US3518557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for detection of sine and cosine pulses
Assignee: Allen Bradley Co LLC
•
Filing: 1967-06-12
•
Granted: 1970-06-30
•
Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Henning F Harmuth
- 👤 David J Nowak
- 👤 Pierre E Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:44
CPC Classifications
H; H03; H03H; H03H11/00; H03H11/02; H03H11/04; H03H11/12; H03H11/1217; H03H11/1252; G; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1928; G06G7/1935; H04; H04L; H04L23/00; H04L23/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2835882A
Cited
US3013160A
Cited
US2983880A
Cited
US3281694A
Cited
US3333092A
Cited
US3368036A
Cited
US3369185A
Cited
US3411093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |