US3357779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture camera
Assignee: Bell and Howell Co
•
Filing: 1964-07-06
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Granted: 1967-12-12
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Suigussaar Vello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:33
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN A CAMERA CONSTRUCTION INCLUDING A LENS SYSTEM, AT LEAST ONE SWINGABLE IRIS BLADE CONTROLLING PASSAGE OF LIGHT THROUGH THE SYSTEM, AND AN AUTOMATICALLY OPERABLE LIGHT SENSITIVE IRIS BLADE ACTUATING MECHANISM INCLUDING A FRAME AND POWERED ACTUATING MEANS FOR SWINGING THE IRIS BLADE THROUGH A PATH OF MOVEMENT, THE IMPROVEMENTS COMPRISING: A DEFLECTION MEMBER MOVABLE BY SAID IRIS BLADE THROUGH A PATH OF MOVEMENT HAVING A PREDETERMINED PHYSICAL LENGTH AS SAID BLADE IS MOVED BY THE ACTUATING MEANS;
Claim 2
Dependent Claim
78 words
IN A CAMERA CONSTRUCTION INCLUDING A LENS SYSTEM, AT LEAST ONE SWINGABLE IRIS BLADE CONTROLLING PASSAGE OF LIGHT THROUGH THE SYSTEM, AND AN AUTOMATICALLY OPERABLE LIGHT SENSITIVE IRIS BLADE ACTUATING MECHANISM INCLUDING A FRAME AND POWERED ACTUATING MEANS FOR SWINGING THE IRIS BLADE THROUGH A PATH OF MOVEMENT, THE IMPROVEMENTS COMPRISING: A DEFLECTION MEMBER MOVABLE BY SAID IRIS BLADE THROUGH A PATH OF MOVEMENT HAVING A PREDETERMINED PHYSICAL LENGTH AS SAID BLADE IS MOVED BY THE ACTUATING 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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |