Patent US841445A successfully refreshed from Google Patents.
Patent US3414905A successfully refreshed from Google Patents.
US3414905A
Expired / Lapsed
US
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System for monitoring the operation of a plurality of machines
Assignee: FRONTIER ELECTRONICS Inc
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Filing: 1966-12-27
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Granted: 1968-12-03
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Martin F O'brien
- 👤 Howard F Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:22
CPC Classifications
G; G07; G07C; G07C3/00; G07C3/08; G07C3/12; D; D03; D03J; D03J1/00; G07C3/005; D03J2700/00; D03J2700/02; D03J2700/04
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |