US3196261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Full binary adder
Assignee: Individual
•
Filing: 1963-01-09
•
Granted: 1965-07-20
•
Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 David H Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:51
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A FULL BINARY ADDER COMPRISING: FIRST AND SECOND "EXCLUSIVE OR" GATES WITH EACH HAVING FIRST AND SECOND INPUT TERMINALS AND AN OUTPUT TERMINAL AND WITH AT LEAST THE FIRST "EXCLUSIVE OR" GATE INCLUDING AN "OR" GATE; MEANS FOR CONNECTING TWO BINARY INPUT SIGNALS TO THE TWO INPUT TERMINALS OF THE FIRST "EXCLUSIVE OR" GATE AND TO SAID "OR" GATE; MEANS FOR CONNECTING A THIRD BINARY INPUT SIGNAL AND THE OUTPUT SIGNAL FROM THE OUPUT TERMINAL OF THE FIRST "EXCLUSIVE OR" GATE TO THE TWO INPUT TERMINALS OF THE SECOND "EXCLUSIVE OR" GATE; FIRST AND SECOND "INHIBIT" GATES WITH EACH HAVING ONE INVERTED AND ONE NON-INVERTED INPUT TERMINAL AND WITH EACH HAVING AN OUTPUT TERMINAL; MEANS FOR CONNECTING SAID THIRD INPUT SIGNAL TO THE INVERTED INPUT TERMINAL OF THE FIRST "INHIBIT" GATE; MEANS FOR
Claim 2
Dependent Claim
133 words
A FULL BINARY ADDER COMPRISING: FIRST AND SECOND "EXCLUSIVE OR" GATES WITH EACH HAVING FIRST AND SECOND INPUT TERMINALS AND AN OUTPUT TERMINAL AND WITH AT LEAST THE FIRST "EXCLUSIVE OR" GATE INCLUDING AN "OR" GATE; MEANS FOR CONNECTING TWO BINARY INPUT SIGNALS TO THE TWO INPUT TERMINALS OF THE FIRST "EXCLUSIVE OR" GATE AND TO SAID "OR" GATE; MEANS FOR CONNECTING A THIRD BINARY INPUT SIGNAL AND THE OUTPUT SIGNAL FROM THE OUPUT TERMINAL OF THE FIRST "EXCLUSIVE OR" GATE TO THE TWO INPUT TERMINALS OF THE SECOND "EXCLUSIVE OR" GATE; FIRST AND SECOND "INHIBIT" GATES WITH EACH HAVING ONE INVERTED AND ONE NON-INVERTED INPUT TERMINAL AND WITH EACH HAVING AN OUTPUT TERMINAL; MEANS FOR CONNECTING SAID THIRD INPUT SIGNAL TO THE INVERTED INPUT TERMINAL OF THE FIRST "INHIBIT" GATE; MEANS FOR
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |