US3200411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture cameras
Assignee: Bell and Howell Co
•
Filing: 1961-11-20
•
Granted: 1965-08-10
•
Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Malcolm G Townsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:34
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/12; G03B17/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A MOTION PICTURE CAMERA INCLUDING AN EXPOSURE APERTURE, FILM FEEDING MEANS FOR FEEDING FILM PAST THE APERTURE, AN ADJUSTABLE ZOOM LENS AND A MOTOR DRIVE, THE COMBINATION THEREWITH OF MANUALLY OPERABLE CONTROL MEANS FOR THE FILM FEEDING MEANS, MANUALLY OPERABLE ZOOMING MEANS OPERABLE TO CONNECT THE ZOOM LENS AND THE MOTOR DRIVE, AND SELECTIVELY OPERABLE MEANS FOR DISABLING THE DRIVE OF THE FILM FEEDING MEANS SO THAT THE ZOOME LENS MAY BE ADJUSTED WITHOUT FEEDING FILM PAST THE APERTURE.
Claim 2
Dependent Claim
80 words
IN A MOTION PICTURE CAMERA INCLUDING AN EXPOSURE APERTURE, FILM FEEDING MEANS FOR FEEDING FILM PAST THE APERTURE, AN ADJUSTABLE ZOOM LENS AND A MOTOR DRIVE, THE COMBINATION THEREWITH OF MANUALLY OPERABLE CONTROL MEANS FOR THE FILM FEEDING MEANS, MANUALLY OPERABLE ZOOMING MEANS OPERABLE TO CONNECT THE ZOOM LENS AND THE MOTOR DRIVE, AND SELECTIVELY OPERABLE MEANS FOR DISABLING THE DRIVE OF THE FILM FEEDING MEANS SO THAT THE ZOOME LENS MAY BE ADJUSTED WITHOUT FEEDING FILM PAST THE APERTURE.
References Cited (Backward Citations)
US307844A
Cited
US967384A
Cited
US1067219A
Cited
US1271929A
Cited
US1892412A
Cited
DE709394C
Cited
US1950166A
Cited
US2186443A
Cited
US2336245A
Cited
US2995061A
Cited
US3002422A
Cited
US3106125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |