Patent US3081013A successfully refreshed from Google Patents.
US3081013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cinematographic apparatus
Assignee: Kamera und Kinowerke Dresden VEB
•
Filing: 1961-02-21
•
Granted: 1963-03-12
•
Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Walther Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:01
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A CINEMATOGRAPHIC APPARATUS INCLUDING A HOUSING IN WHICH IS ARRANGED A FILM GATE, THE PROVISION OF A FILM DRIVE MECHANISM COMPRISING A FILM CONVEYING MEMBER IN THE HOUSING ENGAGEABLE WITH PERFORATIONS IN THE FILM IN THE GATE, A FILM LOCKING MEMBER PIVOTALLY MOUNTED IN THE HOUSING ENGAGEABLE WITH SAID PERFORATIONS DURING THE NORMAL FORWARD RUNNING OF THE FILM THROUGH THE GATE, MEANS FOR RECIPROCATING SAID LOCKING MEMBER, A REVERSIBLE MOTOR FOR DRIVING THE FILM CONVEYING MEMBER AND THE MEANS FOR RECIPROCATING SAID LOCKING MEMBER, A CHANGEOVER SWITCH FOR REVERSING THE DIRECTION OF ROTATION OF THE MOTOR, AND MEANS COUPLED WITH SAID CHANGE-OVER SWITCH AND CAPABLE OF ALTERING THE POSITION OF RECIPROCATION OF SAID LOCKING MEMBER TO RENDER THE LATTER INOPERATIVE DURING THE WINDING BACK OF THE FILM THROUGH THE PLATE.
Claim 2
Dependent Claim
131 words
IN A CINEMATOGRAPHIC APPARATUS INCLUDING A HOUSING IN WHICH IS ARRANGED A FILM GATE, THE PROVISION OF A FILM DRIVE MECHANISM COMPRISING A FILM CONVEYING MEMBER IN THE HOUSING ENGAGEABLE WITH PERFORATIONS IN THE FILM IN THE GATE, A FILM LOCKING MEMBER PIVOTALLY MOUNTED IN THE HOUSING ENGAGEABLE WITH SAID PERFORATIONS DURING THE NORMAL FORWARD RUNNING OF THE FILM THROUGH THE GATE, MEANS FOR RECIPROCATING SAID LOCKING MEMBER, A REVERSIBLE MOTOR FOR DRIVING THE FILM CONVEYING MEMBER AND THE MEANS FOR RECIPROCATING SAID LOCKING MEMBER, A CHANGEOVER SWITCH FOR REVERSING THE DIRECTION OF ROTATION OF THE MOTOR, AND MEANS COUPLED WITH SAID CHANGE-OVER SWITCH AND CAPABLE OF ALTERING THE POSITION OF RECIPROCATION OF SAID LOCKING MEMBER TO RENDER THE LATTER INOPERATIVE DURING THE WINDING BACK OF THE FILM THROUGH THE PLATE.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |