Patent US3426950A successfully refreshed from Google Patents.
US3426950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture projector with automatic film threading and loop forming mechanism
Assignee: J M D IND Inc
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Filing: 1966-07-01
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Granted: 1969-02-11
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 John A Maurer Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:51
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56; G03B31/00; G03B31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A MOTION PICTURE PROJECTOR COMPRISING FIRST FEED MEANS FOR FEEDING FILM INTO PROJECTIONS MEANS, SECOND FEED MEANS FOR FEEDING FILM OUT OF THE PROJECTION MEANS, MEANS FOR INITIALLY ACTUATING ONE OF SAID FEED MEANS WITHOUT ACTUATING THE OTHER OF SAID FEED MEANS WHEREBY A PORTION OF THE FILM IS DISPOSED IN THE VICINITY OF THE
Claim 2
Dependent Claim
55 words
A MOTION PICTURE PROJECTOR COMPRISING FIRST FEED MEANS FOR FEEDING FILM INTO PROJECTIONS MEANS, SECOND FEED MEANS FOR FEEDING FILM OUT OF THE PROJECTION MEANS, MEANS FOR INITIALLY ACTUATING ONE OF SAID FEED MEANS WITHOUT ACTUATING THE OTHER OF SAID FEED MEANS WHEREBY A PORTION OF THE FILM IS DISPOSED IN THE VICINITY OF THE
References Cited (Backward Citations)
US3201796A
Cited
US3351254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |