US3275987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production monitoring system
Assignee: Weltronic Co
•
Filing: 1961-05-15
•
Granted: 1966-09-27
•
Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Charles G Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:14
CPC Classifications
G; G07; G07C; G07C3/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A SYSTEM FOR MONITORING MACHINE OPERATIONS COMPRISING A WORK STATION LOCATED IN THE VICINITY OF THE MACHINE TO BE MONITORED, A CENTRAL STATION REMOTE FROM SAID MACHINE, MANUALLY OPERATIVE MEANS AT SAID WORK STATION FOR INDICATING CONDITIONS AT SAID WORD STATION, A READOUT MECHANISM AT SAID CENTRAL STATION RESPONSIVE TO SAID MANUALLY OPERATIVE MEANS AT SAID WORK STATION, MANUALLY
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |