US3493773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process variability monitor system
Assignee: Weston Instruments Inc
•
Filing: 1967-03-20
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Granted: 1970-02-03
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 William A Power
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:47
CPC Classifications
G; G05; G05B; G05B21/00; G05B21/02; G06; G06G; G06G7/00; G06G7/12; G06G7/14; G07; G07C; G07C3/00; G07C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3017026A
Cited
US3053332A
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US3063635A
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US3274377A
Cited
US3381231A
Cited
US3351837A
Cited
US3366191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |