Patent US3141231A successfully refreshed from Google Patents.
Patent US3552594A successfully refreshed from Google Patents.
US3552594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer card carrying box
Assignee: Individual
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Filing: 1968-09-11
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Granted: 1971-01-05
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Expires: 1988-09-11
Abstract
Abstract A computer card box is disclosed for storing and carrying computer (IBM) cards, the card box being readily expandable and having pockets for accommodating a band which holds the cards.
Inventors
- 👤 David W Lewis
- 👤 George L Falkenhagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:39
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/08; B65D21/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A box for carrying groups of computer cards comprisiNg: a rectangular bottom portion having a base, sides and an open top; a cover for said bottom portion, said cover being similar to said bottom portion in peripheral outline; an expansion unit comprising a rectangular shell for receiving said cards and being similar to said bottom portion in peripheral outline; an outwardly extending shoulder on the lower periphery of said expansion unit receivable on said bottom portion; said bottom portion including recesses along its upper edges thereof; positioning pins formed on said shoulder of said expansion unit and receivable in said recesses whereby said expansion unit may be snapped into position on said bottom portion; and the upper periphery of said expansion unit being telescopable into said cover.
Claim 2
Dependent Claim
127 words
A box for carrying groups of computer cards comprisiNg: a rectangular bottom portion having a base, sides and an open top; a cover for said bottom portion, said cover being similar to said bottom portion in peripheral outline; an expansion unit comprising a rectangular shell for receiving said cards and being similar to said bottom portion in peripheral outline; an outwardly extending shoulder on the lower periphery of said expansion unit receivable on said bottom portion; said bottom portion including recesses along its upper edges thereof; positioning pins formed on said shoulder of said expansion unit and receivable in said recesses whereby said expansion unit may be snapped into position on said bottom portion; and the upper periphery of said expansion unit being telescopable into said cover.
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |