US3114489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cinematographic film transport apparatus
Assignee: Robert Bosch Fernsehanlagen GmbH
•
Filing: 1960-12-16
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Granted: 1963-12-17
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Expires: 1980-12-16
Abstract
No abstract record available.
Inventors
- 👤 Legler Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:25
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD FOR ADJUSTING GUIDE MEANS OF VARIABLE SPACING IN ACCORDANCE WITH VARYING WIDTHS OF A FILM MOVING THROUGH THE GUIDE MEANS, COMPRISING THE STEPS OF: MONITORING THE WIDTH OF THE MOVING FILM AT A POINT OF ITS PATH BEFORE IT ENTERS THE GUIDE MEANS; PRODUCING A CONTROL SIGNAL HAVING A CHARACTERISTIC DEPENDING UPON THE MONITORED WIDTH OF THE FILM AT SAID POINT; AND ADJUSTING
Claim 2
Independent Claim
65 words
A METHOD FOR ADJUSTING GUIDE MEANS OF VARIABLE SPACING IN ACCORDANCE WITH VARYING WIDTHS OF A FILM MOVING THROUGH THE GUIDE MEANS, COMPRISING THE STEPS OF: MONITORING THE WIDTH OF THE MOVING FILM AT A POINT OF ITS PATH BEFORE IT ENTERS THE GUIDE MEANS; PRODUCING A CONTROL SIGNAL HAVING A CHARACTERISTIC DEPENDING UPON THE MONITORED WIDTH OF THE FILM AT SAID POINT; AND ADJUSTING
References Cited (Backward Citations)
US1678925A
Cited
US2287768A
Cited
US2308985A
Cited
US2737386A
Cited
US2731262A
Cited
AT209840B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |