US3424524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro-image display apparatus
Assignee: NCR Voyix Corp
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Filing: 1966-05-31
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Granted: 1969-01-28
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Hideo Akiyama
- 👤 David G Stockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:12
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; G03B21/115; G02; G02B; G02B21/00; G02B21/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN APPARATUS FOR DISPLAYING A REDUCED IMAGE RECORDED ON A TRANSPARENCY, A PROJECTION LENS ASSEMBLY, A LIGHT SOURCE, RETAINING MEANS FOR RETAINING A TRANSPARENCY BETWEEN SAID PROJECTION LENS ASSEMBLY AND SAID LIGHT SOURCE, SAID RETAINING MEANS INCLUDING A PIVOTABLE MEMBER DISPOSED OVER AND IN CONTACT WITH THE TRANSPARENCY ON THE PROJECTION LENS ASSEMBLY SIDE THEREOF, MEANS FOR URGING SAID PROJECTION LENS ASSEMBLY AGAINST SAID PIVOTABLE MEMBER, AND MEANS FOR MOVING SAID RETAINING MEANS TO A POSITION SO THAT THE URGING OF SAID PROJECTION LENS ASSEMBLY AGAINST SAID PIVOTABLE MEMBER CAUSES PIVOTING THEREOF, WHEREBY A TRANSPARENCY CAN BE INSERTED OR REMOVED.
Claim 2
Dependent Claim
100 words
IN APPARATUS FOR DISPLAYING A REDUCED IMAGE RECORDED ON A TRANSPARENCY, A PROJECTION LENS ASSEMBLY, A LIGHT SOURCE, RETAINING MEANS FOR RETAINING A TRANSPARENCY BETWEEN SAID PROJECTION LENS ASSEMBLY AND SAID LIGHT SOURCE, SAID RETAINING MEANS INCLUDING A PIVOTABLE MEMBER DISPOSED OVER AND IN CONTACT WITH THE TRANSPARENCY ON THE PROJECTION LENS ASSEMBLY SIDE THEREOF, MEANS FOR URGING SAID PROJECTION LENS ASSEMBLY AGAINST SAID PIVOTABLE MEMBER, AND MEANS FOR MOVING SAID RETAINING MEANS TO A POSITION SO THAT THE URGING OF SAID PROJECTION LENS ASSEMBLY AGAINST SAID PIVOTABLE MEMBER CAUSES PIVOTING THEREOF, WHEREBY A TRANSPARENCY CAN BE INSERTED OR REMOVED.
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |