Patent US2811619A successfully refreshed from Google Patents.
US2811619A
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US
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Pressure responsive resistor
Assignee: BOURNS LAB Inc
•
Filing: 1955-01-10
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Granted: 1957-10-29
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Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Marlan E Bourns
- 👤 Marvin E Harrison
- 👤 Robert M Whitehorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:58
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1804953A
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US2466071A
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US2443252A
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US2551989A
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US2543228A
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US2622177A
Cited
US2704316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |