Patent US3109923A successfully refreshed from Google Patents.
US3109923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic business accounting machine
Assignee: Key Data Machines Corp
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Filing: 1960-11-21
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Granted: 1963-11-05
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Welsh William Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:10
CPC Classifications
G; G06; G06K; G06K17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN AN ACCOUNTING MACHINE, A SCANNER FOR PREPUNCHED CODED CARDS AND THE LIKE, COMPRISING AN ARCUATE PLATFORM FOR SUPPORTING SAID CARDS SERIALLY IN A COMMON SCANNING PLANE, SAID PLATFORM HAVING A WINDOW EXPOSING THE PUNCHES IN SAID CARDS, AND A RECIPROCATING CRADLE MOVABLE BACK AND FORTH ACROSS SAID PLATFORM AND INCLUDING A LIGHT SOURCE FOR DIRECTING LIGHT ONTO THE FRONT FACE OF SAID CARDS, THE LIGHT PENETRATING ONLY THE PUNCHES THEREIN AND PHOTOELECTRIC MEANS ON SAID CRADLE ADJACENT THE OPPOSING FACE OF SAID CARDS FOR INTERCEPTING LIGHT PASSING THERETHROUGH.
Claim 2
Dependent Claim
89 words
IN AN ACCOUNTING MACHINE, A SCANNER FOR PREPUNCHED CODED CARDS AND THE LIKE, COMPRISING AN ARCUATE PLATFORM FOR SUPPORTING SAID CARDS SERIALLY IN A COMMON SCANNING PLANE, SAID PLATFORM HAVING A WINDOW EXPOSING THE PUNCHES IN SAID CARDS, AND A RECIPROCATING CRADLE MOVABLE BACK AND FORTH ACROSS SAID PLATFORM AND INCLUDING A LIGHT SOURCE FOR DIRECTING LIGHT ONTO THE FRONT FACE OF SAID CARDS, THE LIGHT PENETRATING ONLY THE PUNCHES THEREIN AND PHOTOELECTRIC MEANS ON SAID CRADLE ADJACENT THE OPPOSING FACE OF SAID CARDS FOR INTERCEPTING LIGHT PASSING THERETHROUGH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |