US3140647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film washer
Assignee: Individual
•
Filing: 1961-07-03
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Granted: 1964-07-14
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Roy L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:21
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A WASHER FOR PHOTOGRAPHIC ROLL FILM COMPRISING A TANK, A REEL FOR SUPPORTING ROLL FILM IN SAID TANK WITH THE CONVOLUTIONS OF SAID FILM RADIALLY SPACED FROM EACH OTHER WITH RESPECT TO THE VERTICAL AXIS OF SAID REEL, FIRST AND SECOND WATER INLET PASSAGES INCLINED UPWARDLY AND RADIALLY OUTWARDLY FOR ADMITTING WASH WATER TO THE LOWER END OF SAID TANK, SAID FIRST AND SECOND WATER INLET PASSAGES BEING RESPECTIVELY LOCATED ON OPPOSITE SIDES OF THE VERTICAL AXIS OF SAID REEL AND BEING DIRECTED IN OPPOSITE DIRECTIONS AWAY FROM THE DIAMETER OF SAID REEL, WHEREBY WATER ENTERING SAID TANK THROUGH SAID PASSAGES IS DIRECTED AGAINST SAID FILM AND THE SPIRAL CONVOLUTIONS THEREOF AND THEREFORE PRODUCES A TURNING MOMENT ON SAID REEL TO CAUSE SAID REEL AND THE FILM CARRIED THEREBY TO REVOLVE ABOUT THE VERTICAL AXIS OF SAID REEL.
Claim 2
Dependent Claim
138 words
A WASHER FOR PHOTOGRAPHIC ROLL FILM COMPRISING A TANK, A REEL FOR SUPPORTING ROLL FILM IN SAID TANK WITH THE CONVOLUTIONS OF SAID FILM RADIALLY SPACED FROM EACH OTHER WITH RESPECT TO THE VERTICAL AXIS OF SAID REEL, FIRST AND SECOND WATER INLET PASSAGES INCLINED UPWARDLY AND RADIALLY OUTWARDLY FOR ADMITTING WASH WATER TO THE LOWER END OF SAID TANK, SAID FIRST AND SECOND WATER INLET PASSAGES BEING RESPECTIVELY LOCATED ON OPPOSITE SIDES OF THE VERTICAL AXIS OF SAID REEL AND BEING DIRECTED IN OPPOSITE DIRECTIONS AWAY FROM THE DIAMETER OF SAID REEL, WHEREBY WATER ENTERING SAID TANK THROUGH SAID PASSAGES IS DIRECTED AGAINST SAID FILM AND THE SPIRAL CONVOLUTIONS THEREOF AND THEREFORE PRODUCES A TURNING MOMENT ON SAID REEL TO CAUSE SAID REEL AND THE FILM CARRIED THEREBY TO REVOLVE ABOUT THE VERTICAL AXIS OF SAID REEL.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |