Patent US3386653A successfully refreshed from Google Patents.
US3386653A
Expired / Lapsed
US
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Check number evaluating device
Assignee: NCR Voyix Corp
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Filing: 1966-04-08
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Granted: 1968-06-04
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Phipps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:29
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
36 words
A CHECK-NUMBER-EVALUATING DEVICE ADAPTED TO EVALUATE A CHECK NUMBER X FOR USE WITH ANY GIVEN MULTIDIGIT NUMBER HAVING UP TO A PREDETERMINED NUMBER M OF OF DIGITS SUCH THAT THE CHECK NUMBER SATIFIES THE MATHEMATICAL RULE:
Claim 2
Dependent Claim
36 words
A CHECK-NUMBER-EVALUATING DEVICE ADAPTED TO EVALUATE A CHECK NUMBER X FOR USE WITH ANY GIVEN MULTIDIGIT NUMBER HAVING UP TO A PREDETERMINED NUMBER M OF OF DIGITS SUCH THAT THE CHECK NUMBER SATIFIES THE MATHEMATICAL RULE:
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |