US3138701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-checking numbering devices
Assignee: International Business Machines Corp
•
Filing: 1959-12-29
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Granted: 1964-06-23
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Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Roderic A Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1012; G06F11/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A CHECKING APPARATUS, A MULTIPLYING MEANS, MEANS FOR ENTERING A SERIES OF DIGITS INTO SAID MULTIPLYING MEANS, MEANS FOR WEIGHING SAID ENTERED DIGITS BY A SERIES OF PROGRAMMED MULTIPLIERS STARTING WITH A LARGE PRIME DIGIT AND PROGRESSING IN A DESCENDING ORDER OF MULTIPLIER DIGIT VALUE, MEANS FOR PROGRAMMING ENTRY OF SAID MULTIPLIER VALUES, MEANS UNDER CONTROL OF SAID MULTIPLYING MEANS FOR STORING THE UNITS ORDER DIGITS OF THE PRODUCTS OF SAID WEIGHTING MULTIPLICATIONS, AND MEANS UNDER CONTROL OF SAID STORING MEANS FOR INDICATING A FINAL SUMMATED CHECK SYMBOL DIGIT RELATED TO SAID SERIES OF ENTERED DIGITS.
Claim 2
Dependent Claim
97 words
IN A CHECKING APPARATUS, A MULTIPLYING MEANS, MEANS FOR ENTERING A SERIES OF DIGITS INTO SAID MULTIPLYING MEANS, MEANS FOR WEIGHING SAID ENTERED DIGITS BY A SERIES OF PROGRAMMED MULTIPLIERS STARTING WITH A LARGE PRIME DIGIT AND PROGRESSING IN A DESCENDING ORDER OF MULTIPLIER DIGIT VALUE, MEANS FOR PROGRAMMING ENTRY OF SAID MULTIPLIER VALUES, MEANS UNDER CONTROL OF SAID MULTIPLYING MEANS FOR STORING THE UNITS ORDER DIGITS OF THE PRODUCTS OF SAID WEIGHTING MULTIPLICATIONS, AND MEANS UNDER CONTROL OF SAID STORING MEANS FOR INDICATING A FINAL SUMMATED CHECK SYMBOL DIGIT RELATED TO SAID SERIES OF ENTERED DIGITS.
References Cited (Backward Citations)
US2099754A
Cited
US2346616A
Cited
US2653761A
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US2805824A
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US2731199A
Cited
US2869784A
Cited
US2886239A
Cited
US2886240A
Cited
US2873914A
Cited
US2857100A
Cited
US3028087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |