US2967119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic process and apparatus
Assignee: Lipsner Smith Corp
•
Filing: 1958-09-08
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Granted: 1961-01-03
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Robert P Gutterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:09
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/02; G03D15/022
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
56 words
A PROCESS FOR THE ULTRASONIC CLEANING OF PHOTOGRAPHIC FILM WHICH COMPRISES ULTRASONICALLY ACTIVATING A FILM-CLEANING SOLVENT, PASSING SAID FILM THROUGH SAID SOLVENT, REMOVING CLEAN FILM FROM THE SOLVENT AND THEREAFTER COMPLETELY STRIPPING THE SOLVENT AS A LIQUID FROM THE SURFACE OF SAID FILM COMPLETELY COVERED WITH A CONTINUOUS SOLVENT LAYER, THEREBY NON-EVAPORATIVELY DRYING SAID FILM SURFACE.
Claim 2
Dependent Claim
56 words
A PROCESS FOR THE ULTRASONIC CLEANING OF PHOTOGRAPHIC FILM WHICH COMPRISES ULTRASONICALLY ACTIVATING A FILM-CLEANING SOLVENT, PASSING SAID FILM THROUGH SAID SOLVENT, REMOVING CLEAN FILM FROM THE SOLVENT AND THEREAFTER COMPLETELY STRIPPING THE SOLVENT AS A LIQUID FROM THE SURFACE OF SAID FILM COMPLETELY COVERED WITH A CONTINUOUS SOLVENT LAYER, THEREBY NON-EVAPORATIVELY DRYING SAID FILM SURFACE.
Claim 3
Dependent Claim
55 words
APPARATUS FOR THE ULTRASONIC CLEANING OF PHOTOGRAPHIC FILM WHICH COMPRISES A TANK FOR A SUITABLE CLEANING SOLVENT, MEANS FOR APPLYING ULTRASONIC ENERGY TO SAID SOLVENT, MEANS FOR DELIVERING SAID FILM TO SAID TANK, MEANS FOR REMOVING SAID FILM TO SAID TANK, MEANS FOR REMOVING SAID FILM OFFSET TO THE PROPAGATION VECTOR OF SAID ULTRASONIC ENERGY.
Claim 4
Dependent Claim
55 words
APPARATUS FOR THE ULTRASONIC CLEANING OF PHOTOGRAPHIC FILM WHICH COMPRISES A TANK FOR A SUITABLE CLEANING SOLVENT, MEANS FOR APPLYING ULTRASONIC ENERGY TO SAID SOLVENT, MEANS FOR DELIVERING SAID FILM TO SAID TANK, MEANS FOR REMOVING SAID FILM TO SAID TANK, MEANS FOR REMOVING SAID FILM OFFSET TO THE PROPAGATION VECTOR OF SAID ULTRASONIC ENERGY.
Claim 5
Dependent Claim
98 words
APPARATUS FOR THE NON-EVAPORATING DRYING OF PHOTOGRAPHIC FILM SURFACE COATED WITH LIQUID, WHICH COMPRISES WALLS DEFINING A DRYING CHAMBER, WETTED FILM INLET MEANS AT ONE END OF SAID CHAMBER AND DRY FILM OUTLET MEANS AT THE OTHER END OF SAID CHAMBER, MEANS DISPOSED SUBSTANTIALLY ADJACENT SAILD OUTLET MEANS AND ADAPTED FOR ANGULARLY DIRECTING AN AIR STEAM ONTO THE SURFACE OF SAID FILM, MEANS FOR SHIELDING WET PORTIONS OF THE FILM WITHIN SAID CHAMBER FROM THE AMBIENT ATMOSPHERE AND THE RESULTING SOLVENT-CONTAINING AIR STREAM, DOWNSTREAM FROM SAID AIR STREAM, AND MEANS FOR EXHAUSTING SAID AIR STREAM FROM SAID CHAMBER.
Claim 6
Dependent Claim
98 words
APPARATUS FOR THE NON-EVAPORATING DRYING OF PHOTOGRAPHIC FILM SURFACE COATED WITH LIQUID, WHICH COMPRISES WALLS DEFINING A DRYING CHAMBER, WETTED FILM INLET MEANS AT ONE END OF SAID CHAMBER AND DRY FILM OUTLET MEANS AT THE OTHER END OF SAID CHAMBER, MEANS DISPOSED SUBSTANTIALLY ADJACENT SAILD OUTLET MEANS AND ADAPTED FOR ANGULARLY DIRECTING AN AIR STEAM ONTO THE SURFACE OF SAID FILM, MEANS FOR SHIELDING WET PORTIONS OF THE FILM WITHIN SAID CHAMBER FROM THE AMBIENT ATMOSPHERE AND THE RESULTING SOLVENT-CONTAINING AIR STREAM, DOWNSTREAM FROM SAID AIR STREAM, AND MEANS FOR EXHAUSTING SAID AIR STREAM FROM SAID CHAMBER.
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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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |