US3171082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Random permutation generator employing pulse width generator and circulating shift register
Assignee: California Institute of Technology
•
Filing: 1963-02-04
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Granted: 1965-02-23
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 George M Diliard
- 👤 George L Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:37
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/58; G06F7/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A RANDOM PERMUTATION GENERATOR COMPRISING: AN INPUT TERMINAL; MEANS CONNECTED TO SAID INPUT TERMINAL FOR GENERATING A RANDOM NUMBER OF SHIFT PULSES, CIRCULATING STORAGE MEANS HAVING A SERIAL STORAGE STAGES, EACH OF SAID STAGES CONNECTED TO SAID SHIFT PULSE GENERATING MEANS, SAID STORAGE MEANS OPERABLE TO SHIFT STORED INFORMATION ONE STAGE UPON RECEIVING A SHIFT PULSE,
Claim 2
Dependent Claim
56 words
A RANDOM PERMUTATION GENERATOR COMPRISING: AN INPUT TERMINAL; MEANS CONNECTED TO SAID INPUT TERMINAL FOR GENERATING A RANDOM NUMBER OF SHIFT PULSES, CIRCULATING STORAGE MEANS HAVING A SERIAL STORAGE STAGES, EACH OF SAID STAGES CONNECTED TO SAID SHIFT PULSE GENERATING MEANS, SAID STORAGE MEANS OPERABLE TO SHIFT STORED INFORMATION ONE STAGE UPON RECEIVING A SHIFT PULSE,
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |