US3205569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a photographic aperture regulating device
Assignee: Eastman Kodak Co
•
Filing: 1964-01-10
•
Granted: 1965-09-14
•
Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Nerwin Hubert
- 👤 Ferris Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:15
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A METHOD OF FABRICATING A PHOTOGRAPHIC APERTURE REGULATING DEVICE, COMPRISING: (A) FROM A FLAT PIECE OF BENDABLE MATERIAL, FORMING AND ELONGATED STRIP HAVING A PAIR OF LONGITUDINALLY SPACED, NOTCHED VANES EXTENDING LATERALLY FROM ONE SIDE OF SAID STRIP ADJACENT THE OPPOSITE ENDS THEREOF, (B) FORMING AN APPROXIMATELY RIGHT ANGLE BLEND WHERE EACH OF SAID VANES JOINS SAID ELONGATED STRIP SO THAT SAID VANES EXTEND IN THE SAME GENERAL DIRECTION FROM SAID ELONGATED STRIP AND ARE APPROXIMATELY COPLANAR, IN A PLANE NORMAL TO THE PLANE OF SAID ELONGATED STRIP; AND (C) BENDING SAID ELONGATED STRIP INTO A U-SHAPED SO THAT SAID VANES PARTIALLY OVERLAP AND THEOR RESPECTIVE NOTCHES COOPERATE TO DEFINE AN APERTURE THAT IS VARIABLE IN SIZE AS A FUNCTION OF THE OVERLAP OF SAID VANES.
Claim 2
Independent Claim
126 words
A METHOD OF FABRICATING A PHOTOGRAPHIC APERTURE REGULATING DEVICE, COMPRISING: (A) FROM A FLAT PIECE OF BENDABLE MATERIAL, FORMING AND ELONGATED STRIP HAVING A PAIR OF LONGITUDINALLY SPACED, NOTCHED VANES EXTENDING LATERALLY FROM ONE SIDE OF SAID STRIP ADJACENT THE OPPOSITE ENDS THEREOF, (B) FORMING AN APPROXIMATELY RIGHT ANGLE BLEND WHERE EACH OF SAID VANES JOINS SAID ELONGATED STRIP SO THAT SAID VANES EXTEND IN THE SAME GENERAL DIRECTION FROM SAID ELONGATED STRIP AND ARE APPROXIMATELY COPLANAR, IN A PLANE NORMAL TO THE PLANE OF SAID ELONGATED STRIP; AND (C) BENDING SAID ELONGATED STRIP INTO A U-SHAPED SO THAT SAID VANES PARTIALLY OVERLAP AND THEOR RESPECTIVE NOTCHES COOPERATE TO DEFINE AN APERTURE THAT IS VARIABLE IN SIZE AS A FUNCTION OF THE OVERLAP OF SAID VANES.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |