Patent US3070912A successfully refreshed from Google Patents.
US3070912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide projector
Assignee: Bausch and Lomb Inc
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Filing: 1961-06-29
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Granted: 1963-01-01
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 James A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:21
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN COMBINATION, A GENERALLY RECTANGULAR SLIDE TRAY COMPRISING A PLURALITY OF SPACED RELATIVELY NARROW DIVIDERS FORMING SLOTS THEREBETWEEN OF SUBSTANTIALLY GREATER WIDTH THAN THE THICKNESS OF SAID DIVIDERS AND FOR RESPECTIVELY RECEIVING A PLURALITY OF SLIDES, SAID SLOTS BEING PARTIALLY CLOSED ALONG ONE SIDE OF THE TRAY AND SUFFICIENTLY OPEN ALONG THE OPPOSITE SIDE OF THE TRAY TO FACILITATE PASSAGE OF THE SLIDES THERETHROUGH, SAID DIVIDERS INCLUDING EXTENSIONS PROJECTING OUTWARDLY BEYOND THE INSIDE OF THE
Claim 2
Dependent Claim
75 words
IN COMBINATION, A GENERALLY RECTANGULAR SLIDE TRAY COMPRISING A PLURALITY OF SPACED RELATIVELY NARROW DIVIDERS FORMING SLOTS THEREBETWEEN OF SUBSTANTIALLY GREATER WIDTH THAN THE THICKNESS OF SAID DIVIDERS AND FOR RESPECTIVELY RECEIVING A PLURALITY OF SLIDES, SAID SLOTS BEING PARTIALLY CLOSED ALONG ONE SIDE OF THE TRAY AND SUFFICIENTLY OPEN ALONG THE OPPOSITE SIDE OF THE TRAY TO FACILITATE PASSAGE OF THE SLIDES THERETHROUGH, SAID DIVIDERS INCLUDING EXTENSIONS PROJECTING OUTWARDLY BEYOND THE INSIDE OF THE
References Cited (Backward Citations)
US2427164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |