Patent US3262358A successfully refreshed from Google Patents.
US3262358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Focusing apparatus for a motion picture projector
Assignee: KIRKEBY NATUS CORP
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Filing: 1965-05-11
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Granted: 1966-07-26
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Walter R Hicks
- 👤 Mendelsohn Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:02
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A FOCUSING APPARATUS FOR A MOTION PICTURE PROJECTOR COMPRISING A FIXED LENS MOUNT MEMBER, A LENS CARRYING SLEEVE SLIDABLE WITHIN SAID FIXED MEMBER ALONG A PROJECTION AXIS, APERTURE MEANS DEFINED BY SAID FIXED MEMBER EXPOSING A PORTION OF SAID MOVABLE SLEEVE, CLAMP MEANS DISPOSED IN SAID APERTURE MEANS AND HELD AXIALLY THEREIN BY SAID MEMBER, SAID CLAMP MEANS BEING FREE TO MOVE WITHIN THE APERTURE AGAINST THE MOVABLE SLEEVE TO SECURE SAID SLEEVE, A SHAFT CONNECTED TO SAID CLAMP MEANS, MEANS FOR MOVING SAID CLAMP MEANS INTO ENGAGMENT WITH SAID MOVABLE SLEEVE UPON ROTATION OF SAID SHAFT, AND GEAR MEANS ON SAID SHAFT AND SAID MOVABLE SLEEVE FOR MOVING SAID SLEEVE ALONG SAID PROJECTION AXIS UPON ROTATION OF SAID SHAFT WHEN SAID CLAMP IS DISENGAGED FROM SAID MOVABLE SLEEVE.
Claim 2
Dependent Claim
129 words
A FOCUSING APPARATUS FOR A MOTION PICTURE PROJECTOR COMPRISING A FIXED LENS MOUNT MEMBER, A LENS CARRYING SLEEVE SLIDABLE WITHIN SAID FIXED MEMBER ALONG A PROJECTION AXIS, APERTURE MEANS DEFINED BY SAID FIXED MEMBER EXPOSING A PORTION OF SAID MOVABLE SLEEVE, CLAMP MEANS DISPOSED IN SAID APERTURE MEANS AND HELD AXIALLY THEREIN BY SAID MEMBER, SAID CLAMP MEANS BEING FREE TO MOVE WITHIN THE APERTURE AGAINST THE MOVABLE SLEEVE TO SECURE SAID SLEEVE, A SHAFT CONNECTED TO SAID CLAMP MEANS, MEANS FOR MOVING SAID CLAMP MEANS INTO ENGAGMENT WITH SAID MOVABLE SLEEVE UPON ROTATION OF SAID SHAFT, AND GEAR MEANS ON SAID SHAFT AND SAID MOVABLE SLEEVE FOR MOVING SAID SLEEVE ALONG SAID PROJECTION AXIS UPON ROTATION OF SAID SHAFT WHEN SAID CLAMP IS DISENGAGED FROM SAID MOVABLE SLEEVE.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |