US2899339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foating to a moving web
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:33
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/74; Y; Y10; Y10S; Y10S430/00; Y10S430/136; Y10S430/139
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE PROCESS OF COATING PHOTOGRAPHIC MATERIAL ONTO A FLEXIBLE SUPPORT COMPRISING APPLYING TO SAID SUPPORT A THIN LAYER OF A VISCOUS AQUEOUS SOLUTION CONTAINING A WATER-PERMEABLE COLLIOD, APPLYING A VACUUM OF FROM 10 TO 200 INCHES OF WATER LOCALLY IN A ZONE AT EACH LATERAL EDGE OF SAID LAYER, SAID VACUUM BEING DIRECTED AT AN ANGLE FROM 60* TO 90* FROM THE PLANE OF THE SUPPORT, SIMULTANEOUSLY WITH THE APPLICATION OF VACUUM
Claim 2
Dependent Claim
72 words
THE PROCESS OF COATING PHOTOGRAPHIC MATERIAL ONTO A FLEXIBLE SUPPORT COMPRISING APPLYING TO SAID SUPPORT A THIN LAYER OF A VISCOUS AQUEOUS SOLUTION CONTAINING A WATER-PERMEABLE COLLIOD, APPLYING A VACUUM OF FROM 10 TO 200 INCHES OF WATER LOCALLY IN A ZONE AT EACH LATERAL EDGE OF SAID LAYER, SAID VACUUM BEING DIRECTED AT AN ANGLE FROM 60* TO 90* FROM THE PLANE OF THE SUPPORT, SIMULTANEOUSLY WITH THE APPLICATION OF VACUUM
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |