US3072036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicators for photographic cameras
Assignee: Eastman Kodak Co
•
Filing: 1960-01-21
•
Granted: 1963-01-08
•
Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:18
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/18; G03B17/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A CAMERA HAVING A VIEWFINDER AND AN AUTOMATIC EXPOSURE CONTROL SYSTEM INCLUDING A MEMBER MOVING AS A FUNCTION OF SCENE BRIGHTNESS TO REGULATE THE EXPOSURE OF FILM IN SAID CAMERA, THE COMBINATION COMPRISING: A FIRST MAGNETIC ELEMENT CONNECTED TO SAID MEMBER AND MOVED THEREWITH; A MOVABLE SIGNAL DEVICE VISIBLE THROUGH SAID VIEWFINDER; SAID SIGNAL DEVICE BEING PIVOTALLY MOUNTED AND BALANCED TO MOVE FREELY ABOUT SAID PIVOTAL MOUNTING AND BEING MECHANICALLY ISOLATED FROM SAID MEMBER; A SECOND MAGNETIC ELEMENT CONNECTED TO SAID SIGNAL DEVICE AND MAGNETICALLY COUPLED TO SAID FIRST MAGNETIC ELEMENT FOR POSITIONING SAID SIGNAL DEVICE AS A FUNCTION OF THE POSITION OF SAID MEMBER AND THEREFORE AS A FUNCTION OF SCENE BRIGHTNESS.
Claim 2
Dependent Claim
114 words
IN A CAMERA HAVING A VIEWFINDER AND AN AUTOMATIC EXPOSURE CONTROL SYSTEM INCLUDING A MEMBER MOVING AS A FUNCTION OF SCENE BRIGHTNESS TO REGULATE THE EXPOSURE OF FILM IN SAID CAMERA, THE COMBINATION COMPRISING: A FIRST MAGNETIC ELEMENT CONNECTED TO SAID MEMBER AND MOVED THEREWITH; A MOVABLE SIGNAL DEVICE VISIBLE THROUGH SAID VIEWFINDER; SAID SIGNAL DEVICE BEING PIVOTALLY MOUNTED AND BALANCED TO MOVE FREELY ABOUT SAID PIVOTAL MOUNTING AND BEING MECHANICALLY ISOLATED FROM SAID MEMBER; A SECOND MAGNETIC ELEMENT CONNECTED TO SAID SIGNAL DEVICE AND MAGNETICALLY COUPLED TO SAID FIRST MAGNETIC ELEMENT FOR POSITIONING SAID SIGNAL DEVICE AS A FUNCTION OF THE POSITION OF SAID MEMBER AND THEREFORE AS A FUNCTION OF SCENE BRIGHTNESS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |