Patent US3301628A successfully refreshed from Google Patents.
US3301628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Still-motion photographic apparatus
Assignee: Individual
•
Filing: 1963-11-13
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Granted: 1967-01-31
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Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 Rudolph L Hellmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:06
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18; G03B17/00; G03B17/24; G03B21/00; G03B21/14; G03B21/32; G03B21/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A CAMERA HAVING FEEDING MEANS FOR ADVANCING A SENSITIZED FILM STRIP INTERMITTENTLY PAST AN EXPOSURE APERTURE SO AS TO SUCCESSIVELY ALIGN AND MOMENTARILY HOLD EACH FRAME OF THE FILM STATIONARY BEFORE THE EXPOSURE APERTURE, A SHUTTER ACROSS SAID EXPOSURE APERTURE AND OPERATIVELY ASSOCIATED WITH SAID FEEDING MEANS TO ALTERNATELY SHIELD THE FILM FROM EXPOSURE AS IT IS ADVANCED AND THEN TO EXPOSE THE FRAME DURING THE MOMENT IT IS STATIONARY AND ALIGNED WITH THE EXPOSURE APERTURE, A SECOND APERTURE ADJACENT SAID EXPOSURE APERTURE PAST WHICH A MARGINAL PORTION OF THE FILM IS ADVANCED, SELECTIVELY SETTABLE MEANS WHICH IN ONE POSITION ADAPT THE FEEDING MEANS FOR EXPOSING IN RAPID SUCCESSION A SERIES OF FRAMES AND IN A SECOND POSITION ADAPT SAID FEEDING MEANS FOR ADVANCING AND EXPOSING A SINGLE FRAME AND A BARRIER NORMALLY COVERING SAID SECOND APERTURE TO PREVENT EXPOSURE OF THE FILM MARGIN THERETHROUGH, SAID BARRIER BEING OPERABLE ASSOCIATED WITH SAID SELECTIVELY SETTABLE MEANS TO EXPOSE A MARGIN OF THE
Claim 2
Dependent Claim
162 words
IN A CAMERA HAVING FEEDING MEANS FOR ADVANCING A SENSITIZED FILM STRIP INTERMITTENTLY PAST AN EXPOSURE APERTURE SO AS TO SUCCESSIVELY ALIGN AND MOMENTARILY HOLD EACH FRAME OF THE FILM STATIONARY BEFORE THE EXPOSURE APERTURE, A SHUTTER ACROSS SAID EXPOSURE APERTURE AND OPERATIVELY ASSOCIATED WITH SAID FEEDING MEANS TO ALTERNATELY SHIELD THE FILM FROM EXPOSURE AS IT IS ADVANCED AND THEN TO EXPOSE THE FRAME DURING THE MOMENT IT IS STATIONARY AND ALIGNED WITH THE EXPOSURE APERTURE, A SECOND APERTURE ADJACENT SAID EXPOSURE APERTURE PAST WHICH A MARGINAL PORTION OF THE FILM IS ADVANCED, SELECTIVELY SETTABLE MEANS WHICH IN ONE POSITION ADAPT THE FEEDING MEANS FOR EXPOSING IN RAPID SUCCESSION A SERIES OF FRAMES AND IN A SECOND POSITION ADAPT SAID FEEDING MEANS FOR ADVANCING AND EXPOSING A SINGLE FRAME AND A BARRIER NORMALLY COVERING SAID SECOND APERTURE TO PREVENT EXPOSURE OF THE FILM MARGIN THERETHROUGH, SAID BARRIER BEING OPERABLE ASSOCIATED WITH SAID SELECTIVELY SETTABLE MEANS TO EXPOSE A MARGIN OF THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |