US3506809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed averaging circuit
Assignee: LFE Corp
•
Filing: 1967-02-21
•
Granted: 1970-04-14
•
Expires: 1987-02-21
Abstract
No abstract record available.
Inventors
- 👤 Ludwig R Pallat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:15
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G01; G01P; G01P11/00; G01P7/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3082949A
Cited
US3185959A
Cited
GB1004415A
Cited
US3239653A
Cited
US3239805A
Cited
US3389244A
Cited
GB1004417A
Cited
US3397306A
Cited
US3406395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |