US3211070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic objectives
Assignee: Optische Werke CA Steinheil Soehne GmbH
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Filing: 1962-08-10
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Granted: 1965-10-12
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Expires: 1982-08-10
Abstract
No abstract record available.
Inventors
- 👤 Schops Artur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:21
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/02; G03B9/07; G03B9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A PHOTOGRAPHIC OBJECTIVE, IN COMBINATION, AN ACTUATING PIN, A SWINGABLE TWO-ARMED LEVER, A HAIR PINLIKE SPRING HAVING A SUBSTANTIALLY L-SHAPED LEG AND ANOTHER LEG CONNECTED WITH AN ARM OF SAID LEVER, SAID LSHAPED LEG HAVING AN END PORTION CONNECTED WITH SAID PIN, A GUIDE RECEIVING SAID END PORTION, A ROTARY IRIS RING, A GUIDE FIRMLY MOUNTED UPON SAID IRIS RING AND ROTATABLE THEREWITH, A PIN CARRIED BY THE OTHER ARM OF SAID LEVER AND EXTENDING INTO SAID GUIDE FOR ROTATING SAID GUIDE AND SAID IRIS RING WHEN SAID LEVER IS ACTUATED, AND A SLIDE HAVING AN INCLINED EDGE ADAPTED TO ENGAGE AND MOVE SAID END PORTION TO TENSION SAID SPRING, SAID SLIDE BEING OPERABLE TO TENSION SAID SPRING TO OPERATE THE IRIS RING, WHEREBY THE FIRST-MENTIONED PIN PROVIDES AUTOMATIC OPERATION WHILE SAID SLIDE IS USED TO PROVIDE MANUAL OPERATION.
Claim 2
Dependent Claim
140 words
IN A PHOTOGRAPHIC OBJECTIVE, IN COMBINATION, AN ACTUATING PIN, A SWINGABLE TWO-ARMED LEVER, A HAIR PINLIKE SPRING HAVING A SUBSTANTIALLY L-SHAPED LEG AND ANOTHER LEG CONNECTED WITH AN ARM OF SAID LEVER, SAID LSHAPED LEG HAVING AN END PORTION CONNECTED WITH SAID PIN, A GUIDE RECEIVING SAID END PORTION, A ROTARY IRIS RING, A GUIDE FIRMLY MOUNTED UPON SAID IRIS RING AND ROTATABLE THEREWITH, A PIN CARRIED BY THE OTHER ARM OF SAID LEVER AND EXTENDING INTO SAID GUIDE FOR ROTATING SAID GUIDE AND SAID IRIS RING WHEN SAID LEVER IS ACTUATED, AND A SLIDE HAVING AN INCLINED EDGE ADAPTED TO ENGAGE AND MOVE SAID END PORTION TO TENSION SAID SPRING, SAID SLIDE BEING OPERABLE TO TENSION SAID SPRING TO OPERATE THE IRIS RING, WHEREBY THE FIRST-MENTIONED PIN PROVIDES AUTOMATIC OPERATION WHILE SAID SLIDE IS USED TO PROVIDE MANUAL OPERATION.
References Cited (Backward Citations)
US2952199A
Cited
US2923216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |