US3366024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm actuating mechanism
Assignee: Hittech Prontor GmbH
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Filing: 1965-06-07
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Granted: 1968-01-30
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Franz W R Starp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:04
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
DIAPHRAGM CONTROL APPARATUS COMPRISING: A PLURALITY OF DIAPHRAGM BLADES; A FIRST RING; A SECOND RING CONCENTRIC WITH SAID FIRST RING, AT LEAST ONE OF SAID RINGS BEING ROTATABLE WITH RESPECT TO THE OTHER; A GUIDE SLOT IN SAID FIRST RING; A SUBSTANTIALLY RADIAL SLOT IN SAID SECOND RING; A FIRST PIN ATTACHED TO EACH OF SAID DIAPHRAGM BLADES AND EXTENDING THROUGH BOTH OF SAID SLOTS; AND A SECOND PIN ATTACHED TO EACH OF SAID BLADES AND EXTENDING INTO SAID GUIDE SLOT TO BE ENGAGED THEREBY.
Claim 2
Dependent Claim
85 words
DIAPHRAGM CONTROL APPARATUS COMPRISING: A PLURALITY OF DIAPHRAGM BLADES; A FIRST RING; A SECOND RING CONCENTRIC WITH SAID FIRST RING, AT LEAST ONE OF SAID RINGS BEING ROTATABLE WITH RESPECT TO THE OTHER; A GUIDE SLOT IN SAID FIRST RING; A SUBSTANTIALLY RADIAL SLOT IN SAID SECOND RING; A FIRST PIN ATTACHED TO EACH OF SAID DIAPHRAGM BLADES AND EXTENDING THROUGH BOTH OF SAID SLOTS; AND A SECOND PIN ATTACHED TO EACH OF SAID BLADES AND EXTENDING INTO SAID GUIDE SLOT TO BE ENGAGED THEREBY.
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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |