US3416040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital frequency comparator having a triggered reference
Assignee: Reliance Electric and Engineering Co
•
Filing: 1965-03-25
•
Granted: 1968-12-10
•
Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 George B Foster
- 👤 Jr Richard K Patterson
- 👤 Kenneth A Ostrander
- 👤 Eugene R Lucka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:56
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2703862A
Cited
US3084307A
Cited
US3064189A
Cited
US3184606A
Cited
US3351811A
Cited
US3206641A
Cited
US3346771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |