Patent US2842686A successfully refreshed from Google Patents.
US2842686A
Expired / Lapsed
US
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Piezoelectric gage
Assignee: Individual
•
Filing: 1954-03-03
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Granted: 1958-07-08
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Musser C Walton
- 👤 Lloyd W Insetta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:23
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/08; G01L23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2384465A
Cited
US2250496A
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US2248574A
Cited
US2413462A
Cited
US2498585A
Cited
US2479264A
Cited
US2644045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |