US3041196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wear resistant treatment of sound-and image-reproducing tape
Assignee: Cinechimica
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Filing: 1958-03-20
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Granted: 1962-06-26
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Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 Stella Virginio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
G; G03; G03D; G03D15/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/31504; Y10T428/31971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
METHOD OF IMPARTING AN INTIMATELY ATTACHED, PROTECTIVE AND WEAR RESISTANT LAYER OF LUBRICANT TO PREDETERMINED AREAS OF CELLULOSE ESTER TYPE MOTION PICTURE FILM WHEREIN A TWO-DIMENSIONAL CRYSTALLINE PARTICLE SOLID LUBRICANT SELECTED FROM THE GROUP CONSISTING OF GRAPHITE AND MOLYBDENUM BISULPHIDE IS APPLIED CONTINUOUSLY AND UNIFORMLY PRIMARILY IN NARROW STRIPS TO OTHER THAN IMAGE AND SOUND RECORD BEARING AREAS OF THE FILM FROM A COLLOIDAL SUSPENSION IN A LIQUID CARRIER OF METHYL ALCOHOL, ETHYL ACETATE AND AMYL ACETATE HAVING A DEFINITE SWELLING AND BLOWING OUT EFFECT ON THE MATERIAL OF THE FILM, THE COMBINATION WITH SAID CARRIER OF ETHYL CHLORHYDRINE HAVING A BUFFERING EFFECT ON COMPONENTS HAVING A SOLVENT EFFECT ON THE MATERIAL OF THE FILM.
Claim 2
Dependent Claim
115 words
METHOD OF IMPARTING AN INTIMATELY ATTACHED, PROTECTIVE AND WEAR RESISTANT LAYER OF LUBRICANT TO PREDETERMINED AREAS OF CELLULOSE ESTER TYPE MOTION PICTURE FILM WHEREIN A TWO-DIMENSIONAL CRYSTALLINE PARTICLE SOLID LUBRICANT SELECTED FROM THE GROUP CONSISTING OF GRAPHITE AND MOLYBDENUM BISULPHIDE IS APPLIED CONTINUOUSLY AND UNIFORMLY PRIMARILY IN NARROW STRIPS TO OTHER THAN IMAGE AND SOUND RECORD BEARING AREAS OF THE FILM FROM A COLLOIDAL SUSPENSION IN A LIQUID CARRIER OF METHYL ALCOHOL, ETHYL ACETATE AND AMYL ACETATE HAVING A DEFINITE SWELLING AND BLOWING OUT EFFECT ON THE MATERIAL OF THE FILM, THE COMBINATION WITH SAID CARRIER OF ETHYL CHLORHYDRINE HAVING A BUFFERING EFFECT ON COMPONENTS HAVING A SOLVENT EFFECT ON THE MATERIAL OF THE FILM.
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |