Patent US3169461A successfully refreshed from Google Patents.
US3169461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustment means for camera objectives
Assignee: Carl Zeiss AG
•
Filing: 1961-02-13
•
Granted: 1965-02-16
•
Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Erbe Oito
- 👤 Ludwig Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:11
CPC Classifications
G; G03; G03B; G03B3/00; G03B3/02; G02; G02B; G02B7/00; G02B7/02; G02B7/04; G02B7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN OBJECTIVES FOR PHOTOGRAPHIC AND MOVING PICTURE CAMERAS, AN OBJECTIVE MOUNTING, MEANS WITHIN SAID OBJECTIVE MOUNTING MOVABLE AXIALLY THEREIN FOR ADJUSTMENT OF THE FOCAL LENGTH OF THE OBJECTIVE, MEANS IN SAID OBJECTIVE MOUNTING ROTATABLE THEREIN FOR ADJUSTMENT OF THE FOCAL DISTANCE, ANNULAR ACTUATING MEANS MOUNTED ON SAID OBJECTIVE MOUNTING FOR ROTARY AND AXIALLY SLIDING MOTION IN RELATION TO SAID OBJECTIVE MOUNTING, AN AXIAL SLOT IN SAID OBJECTIVE MOUNTING, SUBSTANTIALLY SLEEVE-LIKE MEANS DISPOSED WITHIN SAID ACTUATING MEANS AND SECURED THERETO, RADIALLY EXTENDING PROJECTION MEANS ON SAID SUBSTANTIALLY SLEEVE-LIKE MEANS PROJECTING RADIALLY THEREFROM THROUGH AND AXIAL SLOT IN SAID OBJECTIVE MOUNTING, A CIRCULAR SLOT IN SAID FOCAL LENGTH ADJUSTMENT MEANS FOR SLIBADLY RECEIVEING SAID RADIALLY PROJECTING MEANS ON SAID SUBSTANTIALLY SLEEVE-LIKE MEANS, AN INTERIOR STRAIGHT AXIAL GROOVE IN SAID ACTUATING MEANS, AND LUG MEANS ON SAID EXPOSURE RANGE ADJUSTMENT MEANS EXTENDING INTO SAID STRAIGHT GROOVE AND SLIDABLE THEREIN.
Claim 2
Dependent Claim
146 words
IN OBJECTIVES FOR PHOTOGRAPHIC AND MOVING PICTURE CAMERAS, AN OBJECTIVE MOUNTING, MEANS WITHIN SAID OBJECTIVE MOUNTING MOVABLE AXIALLY THEREIN FOR ADJUSTMENT OF THE FOCAL LENGTH OF THE OBJECTIVE, MEANS IN SAID OBJECTIVE MOUNTING ROTATABLE THEREIN FOR ADJUSTMENT OF THE FOCAL DISTANCE, ANNULAR ACTUATING MEANS MOUNTED ON SAID OBJECTIVE MOUNTING FOR ROTARY AND AXIALLY SLIDING MOTION IN RELATION TO SAID OBJECTIVE MOUNTING, AN AXIAL SLOT IN SAID OBJECTIVE MOUNTING, SUBSTANTIALLY SLEEVE-LIKE MEANS DISPOSED WITHIN SAID ACTUATING MEANS AND SECURED THERETO, RADIALLY EXTENDING PROJECTION MEANS ON SAID SUBSTANTIALLY SLEEVE-LIKE MEANS PROJECTING RADIALLY THEREFROM THROUGH AND AXIAL SLOT IN SAID OBJECTIVE MOUNTING, A CIRCULAR SLOT IN SAID FOCAL LENGTH ADJUSTMENT MEANS FOR SLIBADLY RECEIVEING SAID RADIALLY PROJECTING MEANS ON SAID SUBSTANTIALLY SLEEVE-LIKE MEANS, AN INTERIOR STRAIGHT AXIAL GROOVE IN SAID ACTUATING MEANS, AND LUG MEANS ON SAID EXPOSURE RANGE ADJUSTMENT MEANS EXTENDING INTO SAID STRAIGHT GROOVE AND SLIDABLE THEREIN.
References Cited (Backward Citations)
US2902901A
Cited
US2988974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |