US3223013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with built-in or attachable delayed-action device
Assignee: Hittech Prontor GmbH
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Filing: 1963-03-04
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Granted: 1965-12-14
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Waldemar T Rentschler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:04
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE COMBINATION OF: A DELAYED-ACTION DEVICE FOR DELAYING OPERATION OF THE SHUTTER OF A PHOTOGRAPHIC CAMERA FOR A DELAY PERIOD; A CONTROL MEMBER CONNECTED TO SAID DEVICE TO MOVE THEREWITH; A SIGNAL LIGHT; FIRST SWITCH MEANS ELECTRICALLY CONNECTED TO SAID LIGHT AND COMPRISING A RELATIVELY FIXED CONTACT PIN AND A LEAF CONTACT SPRING; AT LEAST ONE SERRATION ON SAID CONTROL MEMBER TO ENGAGE SAID SPRING AND BRING IT INTO CONTACT WITH SAID PIN NEAR THE END OF SAID DELAY PERIOD TO FLASH SAID LIGHT TO INDICATE THE END OF SAID DELAY PERIOD; AND SECOND SWITCH MEANS ELECTRICALLY CONNECTED IN CIRCUIT WITH SAID LIGHT AND SAID FIRST SWITCH MEANS, AND COMPRISING A MOVABLE CONTACT ENGAGING SAID SHUTTER TO MOVE THEREWITH TO CLOSE SAID SECOND SWITCH MEANS ONLY AFTER SAID SHUTTER HAS UNDERGONE AN INITIAL MOVEMENT AT THE BEGINNING OF SAID DELAY PERIOD.
Claim 2
Dependent Claim
141 words
THE COMBINATION OF: A DELAYED-ACTION DEVICE FOR DELAYING OPERATION OF THE SHUTTER OF A PHOTOGRAPHIC CAMERA FOR A DELAY PERIOD; A CONTROL MEMBER CONNECTED TO SAID DEVICE TO MOVE THEREWITH; A SIGNAL LIGHT; FIRST SWITCH MEANS ELECTRICALLY CONNECTED TO SAID LIGHT AND COMPRISING A RELATIVELY FIXED CONTACT PIN AND A LEAF CONTACT SPRING; AT LEAST ONE SERRATION ON SAID CONTROL MEMBER TO ENGAGE SAID SPRING AND BRING IT INTO CONTACT WITH SAID PIN NEAR THE END OF SAID DELAY PERIOD TO FLASH SAID LIGHT TO INDICATE THE END OF SAID DELAY PERIOD; AND SECOND SWITCH MEANS ELECTRICALLY CONNECTED IN CIRCUIT WITH SAID LIGHT AND SAID FIRST SWITCH MEANS, AND COMPRISING A MOVABLE CONTACT ENGAGING SAID SHUTTER TO MOVE THEREWITH TO CLOSE SAID SECOND SWITCH MEANS ONLY AFTER SAID SHUTTER HAS UNDERGONE AN INITIAL MOVEMENT AT THE BEGINNING OF SAID DELAY PERIOD.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |