US3238504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal transmission system
Assignee: Leland Stanford Junior University
•
Filing: 1960-10-17
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Granted: 1966-03-01
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Hewitt D Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:12
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SIGNAL-PROPAGATION CIRCUIT COMPRISING A BAR OF MATERIAL HAVING THE PROPERTIES OF THERMISTER MATERIAL, SAID BAR HAVING TWO OPPOSITE SURFACES, A CONDUCTIVE FILM DEPOSITED ON ONE OF SAID SURFACES, A PLURALITY OF ADJACENT CONDUCTING ELECTRODES DEPOSITED ON THE OTHER OF SAID SURFACES, A COMMON CONNECTOR TO WHICH SAID CONDUCTING ELECTRODES ARE CONNECTED, A CONDUCTIVE SHEET CAPACITIVELY SPACED FROM SAID PLURALITY OF ELECTRODES, MEANS CONNECTING SAID CONDUCTIVE SHEET AND CONDUCTIVE FILM TOGETHER, AND MEANS FOR APPLYING A CHARGING MATERIAL BETWEEN SAID COMMON CONNECTOR AND SAID CONDUCTIVE THEREOF.
Claim 2
Dependent Claim
86 words
A SIGNAL-PROPAGATION CIRCUIT COMPRISING A BAR OF MATERIAL HAVING THE PROPERTIES OF THERMISTER MATERIAL, SAID BAR HAVING TWO OPPOSITE SURFACES, A CONDUCTIVE FILM DEPOSITED ON ONE OF SAID SURFACES, A PLURALITY OF ADJACENT CONDUCTING ELECTRODES DEPOSITED ON THE OTHER OF SAID SURFACES, A COMMON CONNECTOR TO WHICH SAID CONDUCTING ELECTRODES ARE CONNECTED, A CONDUCTIVE SHEET CAPACITIVELY SPACED FROM SAID PLURALITY OF ELECTRODES, MEANS CONNECTING SAID CONDUCTIVE SHEET AND CONDUCTIVE FILM TOGETHER, AND MEANS FOR APPLYING A CHARGING MATERIAL BETWEEN SAID COMMON CONNECTOR AND SAID CONDUCTIVE THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |