US2636134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric pressure gauge element
Assignee: Individual
•
Filing: 1947-10-01
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Granted: 1953-04-21
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Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Arnold B Arons
- 👤 Frondel Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:48
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/16; G01L9/00; G01L9/08; Y; Y10; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A METHOD OF ELECTRICALLY SHIELDING PIEZOELECTRIC GAUGE ELEMENTS INCLUDING THE STEPS OF COATING A SELECTED PORTION OF THE SURFACE OF SAID GAUGE ELEMENT WITH A POLYMERIZABLE MATERIAL, SUBJECTING SAID COATED GAUGE ELEMENT TO PROLONGED HEATING TO CURE SAID COATING, AND OVERLAYING SAID CURED COATING WITH A FILM OF ELECTRICALLY CONDUCTIVE SILVER COMPOUND.
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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |