US3350518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reader for punched record
Assignee: International Business Machines Corp
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Filing: 1966-02-11
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Granted: 1967-10-31
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Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 Krakinowski Morris
- 👤 Silvio U Blaskovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A READER FOR A RECORD HAVING A PATTERN OF INDEX POSITIONS EACH OF WHICH MAY OR MAY NOT BE PUNCHED COMPRISING: A PUNCHED RECORD HAVING A PATTERN OF PUNCH INDEX POSITIONS; AN ELASTIC DIAPHRAGM HAVING A PATTERN OF PROJECTIONS ON ONE SIDE WHICH PATTERN IS THE SAME AS THAT OF SAID INDEX POSITIONS; MEANS FOR SUPPORTING SAID RECORD WITH EACH OF ITS INDEX POSITIONS ADJACENT TO THE CORRESPONDING PROJECTION; MEANS FOR HOLDING SAID DIAPHRAGM ADJACENT SAID RECORD WITH SAID PROJECTIONS POISED OVER CORRESPONDING RECORD INDEX POSITIONS; MEANS FOR APPLYING PRESSURE TO SAID DIAPHRAGM TO DISPLACE IT AND TO FORCE SAID PROJECTIONS AGAINST SAID RECORD; AND MEANS RESPONSIVE TO A PROJECTON PASSING THROUGH A PUNCHED INDEX POSITION IN SAID RECORD FOR DETECING THE PUNCHED INDEX POSITION.
Claim 2
Dependent Claim
125 words
A READER FOR A RECORD HAVING A PATTERN OF INDEX POSITIONS EACH OF WHICH MAY OR MAY NOT BE PUNCHED COMPRISING: A PUNCHED RECORD HAVING A PATTERN OF PUNCH INDEX POSITIONS; AN ELASTIC DIAPHRAGM HAVING A PATTERN OF PROJECTIONS ON ONE SIDE WHICH PATTERN IS THE SAME AS THAT OF SAID INDEX POSITIONS; MEANS FOR SUPPORTING SAID RECORD WITH EACH OF ITS INDEX POSITIONS ADJACENT TO THE CORRESPONDING PROJECTION; MEANS FOR HOLDING SAID DIAPHRAGM ADJACENT SAID RECORD WITH SAID PROJECTIONS POISED OVER CORRESPONDING RECORD INDEX POSITIONS; MEANS FOR APPLYING PRESSURE TO SAID DIAPHRAGM TO DISPLACE IT AND TO FORCE SAID PROJECTIONS AGAINST SAID RECORD; AND MEANS RESPONSIVE TO A PROJECTON PASSING THROUGH A PUNCHED INDEX POSITION IN SAID RECORD FOR DETECING THE PUNCHED INDEX POSITION.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |