Patent US3074314A successfully refreshed from Google Patents.
US3074314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide changing device
Assignee: Airequipt Manufacturing Co Inc
•
Filing: 1957-12-09
•
Granted: 1963-01-22
•
Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Carl H Wiklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:25
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A SLIDE CHANGING DEVICE COMPRISING THE COMBINATION OF A BASE, A SLIDE FRAME POSITIONER LOCATED ON SAID BASE, A SLIDE CHANGING MEANS, A MAGAZINE GUIDE MEANS ON SAID BASE ADAPTED TO SLIDABLY SUPPORT A SLIDE MAGAZINE INTERMEDIATE SAID SLIDE FRAME POSITIONER AND SAID SLIDE CHANGING MEANS, AND SAID SLIDE CHANGING MEANS COMPRISING A SLIDE LEVER RECIPROCABLY MOUNTED ON SAID BASE AND HAVING A SLIDE INJECTION LEVER AT ONE END ADAPTED TO REMOVABLY ENGAGE SLIDE FRAMES IN A MAGAZINE SUPPORTED BY SAID GUIDE MEANS TO MOVE THEM TO THE SLIDE FRAME POSITIONER, A PUSHER ARM ON THE OPPOSITE END OF SAID SLIDE LEVER ADAPTED TO ENGAGE SLIDE FRAMES IN SAID SLIDE FRAME POSITIONER TO RETURN THEM TO THE MAGAZINE, AND SAID SLIDE INJECTION LEVER PIVOTALLY CONNECTED TO SAID SLIDE LEVER BY A CAM, AND A COOPERATING PROJECTION ON SAID GUIDE MEANS WHEREBY THE SLIDE INJECTION LEVER IS MOVED RELATIVE TO THE SLIDE LEVER AND THE PUSHER ARM BY THE MOVEMENT OF SAID CAM BY SAID PROJECTION TO FULLY WITHDRAW THE SLIDE INJECTION LEVER FROM THE MAGAZINE.
Claim 2
Dependent Claim
175 words
A SLIDE CHANGING DEVICE COMPRISING THE COMBINATION OF A BASE, A SLIDE FRAME POSITIONER LOCATED ON SAID BASE, A SLIDE CHANGING MEANS, A MAGAZINE GUIDE MEANS ON SAID BASE ADAPTED TO SLIDABLY SUPPORT A SLIDE MAGAZINE INTERMEDIATE SAID SLIDE FRAME POSITIONER AND SAID SLIDE CHANGING MEANS, AND SAID SLIDE CHANGING MEANS COMPRISING A SLIDE LEVER RECIPROCABLY MOUNTED ON SAID BASE AND HAVING A SLIDE INJECTION LEVER AT ONE END ADAPTED TO REMOVABLY ENGAGE SLIDE FRAMES IN A MAGAZINE SUPPORTED BY SAID GUIDE MEANS TO MOVE THEM TO THE SLIDE FRAME POSITIONER, A PUSHER ARM ON THE OPPOSITE END OF SAID SLIDE LEVER ADAPTED TO ENGAGE SLIDE FRAMES IN SAID SLIDE FRAME POSITIONER TO RETURN THEM TO THE MAGAZINE, AND SAID SLIDE INJECTION LEVER PIVOTALLY CONNECTED TO SAID SLIDE LEVER BY A CAM, AND A COOPERATING PROJECTION ON SAID GUIDE MEANS WHEREBY THE SLIDE INJECTION LEVER IS MOVED RELATIVE TO THE SLIDE LEVER AND THE PUSHER ARM BY THE MOVEMENT OF SAID CAM BY SAID PROJECTION TO FULLY WITHDRAW THE SLIDE INJECTION LEVER FROM THE MAGAZINE.
References Cited (Backward Citations)
US773786A
Cited
US1161660A
Cited
US2503239A
Cited
US2590492A
Cited
US2705438A
Cited
US2671378A
Cited
US2677986A
Cited
US2756630A
Cited
US2711602A
Cited
US2874497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |