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US2846496A
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Piezoelectric pressure indicator
Assignee: Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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Filing: 1956-08-16
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Granted: 1958-08-05
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Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Baumgartner Hans
- 👤 Bohnenblust Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:14
CPC Classifications
G; G01; G01L; G01L23/00; G01L23/08; G01L23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |