US3280718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pouch for daylight developing of x-ray films, more particularly dental films
Assignee: Individual
•
Filing: 1964-02-17
•
Granted: 1966-10-25
•
Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Decrop Louis Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:39
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A POUNCH FOR HOLDING, EXPOSURE AND DEVELOPMENT OF FILM, COMPRISING AN ELONGATED FLEXIBLE TUBE FORMED OF MATERIAL OPAQUE TO LIGHT BUT PERMEABLE TO X-RAYS, SAID TUBE BEING CLOSED AT THE BOTTOM TO DEFINE A LOWER COMPARTMENT FOR HOLDING A SENSITIZED FILM, MEANS DIVIDING THE UPPER PORTION OF THE TUBE INTO SIDE BY SIDE COMPARTMENTS FOR HOLDING DEVELOPER AND FIXING MEDIUMS RESPECTIVELY, A DUCT COMMUNICATING SAID COMPARTMENT FOR DEVELOPER MEDIUM
Claim 2
Dependent Claim
69 words
A POUNCH FOR HOLDING, EXPOSURE AND DEVELOPMENT OF FILM, COMPRISING AN ELONGATED FLEXIBLE TUBE FORMED OF MATERIAL OPAQUE TO LIGHT BUT PERMEABLE TO X-RAYS, SAID TUBE BEING CLOSED AT THE BOTTOM TO DEFINE A LOWER COMPARTMENT FOR HOLDING A SENSITIZED FILM, MEANS DIVIDING THE UPPER PORTION OF THE TUBE INTO SIDE BY SIDE COMPARTMENTS FOR HOLDING DEVELOPER AND FIXING MEDIUMS RESPECTIVELY, A DUCT COMMUNICATING SAID COMPARTMENT FOR DEVELOPER MEDIUM
References Cited (Backward Citations)
US3195436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |