US3175461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viewing device with translational scanning linkage
Assignee: Eugene Dietzgen Co
•
Filing: 1961-11-10
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Granted: 1965-03-30
•
Expires: 1981-11-10
Abstract
No abstract record available.
Inventors
- 👤 Philip J Brownscombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:01
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A VIEWING DEVICE COMPRISING A CABINET, A LIGHT PROJECTOR ON SAID CABINET, A PLATE SLIDABLY MOUNTED ON SAID CABINET, MEANS ON SAID PLATE FOR HOLDING ON IMAGE-CONTAINING SHEET, AN L-BAR HAVING ONE LEG OF THE L PIVOTALLY CONNECTED TO A PAIR OF PARALLEL PIVOT LINKS PIVOTALLY MOUNTED ON SAID CABINET A SECOND PAIR OF PARALLEL PIVOT LINKS PIVOTALLY CONNECTED AT ONE END OF EACH LINK TO THE OTHER LEG OF SAID L-BAR AND CONNECTED AT THE OTHER END OF EACH LINK TO SAID PLATE, AND HANDLE MEANS CONNECTED TO SAID PLATE FOR MOVING SAID PLATE AND ITS ASSOCIATED LINKAGE.
Claim 2
Dependent Claim
99 words
A VIEWING DEVICE COMPRISING A CABINET, A LIGHT PROJECTOR ON SAID CABINET, A PLATE SLIDABLY MOUNTED ON SAID CABINET, MEANS ON SAID PLATE FOR HOLDING ON IMAGE-CONTAINING SHEET, AN L-BAR HAVING ONE LEG OF THE L PIVOTALLY CONNECTED TO A PAIR OF PARALLEL PIVOT LINKS PIVOTALLY MOUNTED ON SAID CABINET A SECOND PAIR OF PARALLEL PIVOT LINKS PIVOTALLY CONNECTED AT ONE END OF EACH LINK TO THE OTHER LEG OF SAID L-BAR AND CONNECTED AT THE OTHER END OF EACH LINK TO SAID PLATE, AND HANDLE MEANS CONNECTED TO SAID PLATE FOR MOVING SAID PLATE AND ITS ASSOCIATED LINKAGE.
References Cited (Backward Citations)
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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 |