Patent US4023014A successfully refreshed from Google Patents.
US4023014A
Expired / Lapsed
US
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Credit card verifier
Assignee: Individual
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Filing: 1976-01-19
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Granted: 1977-05-10
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Expires: 1996-01-19
Abstract
Abstract A low cost credit card verifier for use in conjunction with a time-shared central processing unit (CPU) or computer in a credit card verification system in which there are a plurality of manually controlled signal generators for transmitting signals representing an account to be verified to a central processor and provision for receiving from the central processor a signal representative of the status of the account and for indicating the status of the account.
Inventors
- 👤 Kenneth M. Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:16
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G06; G06K; G06K17/00; G06Q; G06Q20/00; G06Q20/38; G06Q20/40; G06Q20/403; G06Q20/4037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A credit card verification system comprising: a central processing unit, a verifier unit, means connecting the verifier unit to the central processing unit, the verifier unit comprising a plurality of signal generators for manually and sequentially generating and transmitting to the central processing unit signals representative of an account to be verified, the central processing unit comprising means for generating and transmitting to the verifier unit a signal representative of the status of the account to be verified, the verifier unit further comprising means for receiving the signal representative of the status of the account to be verified and means for indicating the status of the account to be verified.
Claim 2
Dependent Claim
110 words
A credit card verification system comprising: a central processing unit, a verifier unit, means connecting the verifier unit to the central processing unit, the verifier unit comprising a plurality of signal generators for manually and sequentially generating and transmitting to the central processing unit signals representative of an account to be verified, the central processing unit comprising means for generating and transmitting to the verifier unit a signal representative of the status of the account to be verified, the verifier unit further comprising means for receiving the signal representative of the status of the account to be verified and means for indicating the status of the account to be verified.
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) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |