US3140465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parity checker for asynchronous data processing system
Assignee: RCA Corp
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Filing: 1961-05-31
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Granted: 1964-07-07
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Laszlo L Rakoczi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:20
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A PARITY CIRCUIT, MEANS RESPONSIVE TO THE PRESENCE OF ALL BINARY DIGITS IN A WORK FOR PRODUCING AN INDICATION OF AN ODD OR EVEN NUMBER OF "ONE" IN THE WORD; MEANS IN SAID CIRCUIT RESPONSIVE TO THE ABSENCE OF ONE OR MORE OF THE BINARY DIGITS IN SAID WORD FOR PREVENTING THE PRO-
Claim 2
Dependent Claim
54 words
IN A PARITY CIRCUIT, MEANS RESPONSIVE TO THE PRESENCE OF ALL BINARY DIGITS IN A WORK FOR PRODUCING AN INDICATION OF AN ODD OR EVEN NUMBER OF "ONE" IN THE WORD; MEANS IN SAID CIRCUIT RESPONSIVE TO THE ABSENCE OF ONE OR MORE OF THE BINARY DIGITS IN SAID WORD FOR PREVENTING THE PRO-
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |