US3109889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit apparatus
Assignee: AT&T Inc
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Filing: 1960-12-29
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Granted: 1963-11-05
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Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0002; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/056; H05K2203/10; H05K2203/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN COMBINATION, MEANS FOR SCANNING A SHEET OF MARKINGS IN A LINE-BY-LINE MANNER AND PRODUCING SIGNALS INDICATIVE OF SAID MARKINGS, MEANS RESPONSIVE TO SAID SIGNALS FOR PRODUCING A FIRST OUTPUT WHEN SAID SIGNALS HAVE AN AMPLITUDE LESS THAN A PREDETERMINED LEVEL AND A SECOND OUTPUT WHEN SAID SIGNALS HAVE AN AMPLITUDE GREATER THAN SAID PREDETERMINED LEVEL, AND MEANS RESPONSIVE TO SAID FIRST AND SECOND OUTPUTS FOR RECORDING IN A LINE-BYLINE MANNER WITH A CIRCULAR RECORDING SPOT HAVING A DIAMETER GREATER THAN THE NOMINAL DISTANCES BETWEEN THE RECORDING LINES.
Claim 2
Dependent Claim
88 words
IN COMBINATION, MEANS FOR SCANNING A SHEET OF MARKINGS IN A LINE-BY-LINE MANNER AND PRODUCING SIGNALS INDICATIVE OF SAID MARKINGS, MEANS RESPONSIVE TO SAID SIGNALS FOR PRODUCING A FIRST OUTPUT WHEN SAID SIGNALS HAVE AN AMPLITUDE LESS THAN A PREDETERMINED LEVEL AND A SECOND OUTPUT WHEN SAID SIGNALS HAVE AN AMPLITUDE GREATER THAN SAID PREDETERMINED LEVEL, AND MEANS RESPONSIVE TO SAID FIRST AND SECOND OUTPUTS FOR RECORDING IN A LINE-BYLINE MANNER WITH A CIRCULAR RECORDING SPOT HAVING A DIAMETER GREATER THAN THE NOMINAL DISTANCES BETWEEN THE RECORDING LINES.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |