Patent US3261273A successfully refreshed from Google Patents.
US3261273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with built-in exposure meter
Assignee: Ernst Leitz Wetzlar GmbH
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Filing: 1964-11-12
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Granted: 1966-07-19
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Broschke Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:46
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/02; G03B7/04; G03B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN A PHOTOELECTRIC CAMERA FOR COORDINATING THE AMOUNT OF EXPOSURE NECESSARY WITH THE SHUTTER TIMING, THE STRUCTURE COMPRISING: A CASING HAVING A REFERENCE LINE, AN EXPOSURE METER SUPPORTED WITHIN SAID CASING, AN EXPOSURE INDICATOR ATTACHED TO AND AUTOMATICALLY ACTUATED BY SAID METER, AND ADJUSTABLE SHUTTER TIMING MEMBER SUPPORTED BY SAID CASING, A FOLLOW-UP CURVE SLIDABLY POSITIONED WITHIN SAID CASING TO BE ADJUSTABLE OVER SAID EXPOSURE INDICATOR, MEANS CONNECTING SAID SHUTTER TIMING MEMBER AND SAID FOLLOW-UP CURVE FOR CORRESPONDING MOVEMENT AS WELL AS FOR DISPLACEMENT OF SAID MEMBER AND SAID CURVE RELATIVE TO EACH OTHER AND SAID REFERENCE LINE, SAID MEANS COMPRISING A FIRST PINION CONNECTED TO SAID SHUTTER TIMING MEMBER, A FIRST RACK SLIDABLY MOUNTED WITHIN SAID CASING MESHING WITH SAID FIRST PINION, A SECOND PINION ADJUSTABLY MOUNTED WITHIN SAID CASING AND MESHING WITH SAID FIRST RACK, A SECOND RACK CONNECTED TO SAID FOLLOW-UP CURVE AND BEING SLIDABLY MOUNTED WITHIN SAID CASING AND MESHING WITH SAID SECOND PINION, AND SPRING MEANS HOLDING SAID SECOND RACK IN TERMINAL POSITION AGAINST STOP MEANS.
Claim 2
Dependent Claim
171 words
IN A PHOTOELECTRIC CAMERA FOR COORDINATING THE AMOUNT OF EXPOSURE NECESSARY WITH THE SHUTTER TIMING, THE STRUCTURE COMPRISING: A CASING HAVING A REFERENCE LINE, AN EXPOSURE METER SUPPORTED WITHIN SAID CASING, AN EXPOSURE INDICATOR ATTACHED TO AND AUTOMATICALLY ACTUATED BY SAID METER, AND ADJUSTABLE SHUTTER TIMING MEMBER SUPPORTED BY SAID CASING, A FOLLOW-UP CURVE SLIDABLY POSITIONED WITHIN SAID CASING TO BE ADJUSTABLE OVER SAID EXPOSURE INDICATOR, MEANS CONNECTING SAID SHUTTER TIMING MEMBER AND SAID FOLLOW-UP CURVE FOR CORRESPONDING MOVEMENT AS WELL AS FOR DISPLACEMENT OF SAID MEMBER AND SAID CURVE RELATIVE TO EACH OTHER AND SAID REFERENCE LINE, SAID MEANS COMPRISING A FIRST PINION CONNECTED TO SAID SHUTTER TIMING MEMBER, A FIRST RACK SLIDABLY MOUNTED WITHIN SAID CASING MESHING WITH SAID FIRST PINION, A SECOND PINION ADJUSTABLY MOUNTED WITHIN SAID CASING AND MESHING WITH SAID FIRST RACK, A SECOND RACK CONNECTED TO SAID FOLLOW-UP CURVE AND BEING SLIDABLY MOUNTED WITHIN SAID CASING AND MESHING WITH SAID SECOND PINION, AND SPRING MEANS HOLDING SAID SECOND RACK IN TERMINAL POSITION AGAINST STOP MEANS.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |