US3176281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable memory for data processing machine
Assignee: International Business Machines Corp
•
Filing: 1961-12-11
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Granted: 1965-03-30
•
Expires: 1981-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Pattison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:00
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/03; G11B17/038; G11B23/00; G11B23/02; G11B23/03; G11B23/032; G11B23/0323; G11B23/50; G11B23/505; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17171; Y10T279/17188; Y10T279/17196; Y10T292/00; Y10T292/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A COMPACT, PORTABLE MEMORY PACKAGE FOR USE WITH A MEMORY PROCESSING UNIT WHICH INCLUDES A MEMORY DRIVE MEANS, COMPRISING: A GENERALLY CYLINDRICAL MEMORY INCLUDING MEANS FOR ACHIEVING PRECISE ALIGNMENT WITH THE MEMORY DRIVE MEANS; A DUST COVER FOR ENCLOSING THE MEMORY; AND LOCKING MEANS CARRIED BY THE MEMORY FOR LOCKING THE MEMORY TO THE DRIVE MEANS WHENEVER THE COVER IS REMOVED FROM THE MEMORY AND FOR AUTOMATICALLY LOCKING THE COVER TO THE MEMORY WHEN THE MEMORY PACKAGE IS SEPARATED FROM THE PROCESSING UNIT.
Claim 2
Dependent Claim
83 words
A COMPACT, PORTABLE MEMORY PACKAGE FOR USE WITH A MEMORY PROCESSING UNIT WHICH INCLUDES A MEMORY DRIVE MEANS, COMPRISING: A GENERALLY CYLINDRICAL MEMORY INCLUDING MEANS FOR ACHIEVING PRECISE ALIGNMENT WITH THE MEMORY DRIVE MEANS; A DUST COVER FOR ENCLOSING THE MEMORY; AND LOCKING MEANS CARRIED BY THE MEMORY FOR LOCKING THE MEMORY TO THE DRIVE MEANS WHENEVER THE COVER IS REMOVED FROM THE MEMORY AND FOR AUTOMATICALLY LOCKING THE COVER TO THE MEMORY WHEN THE MEMORY PACKAGE IS SEPARATED FROM THE PROCESSING UNIT.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |