US3420608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum frame and improvements for vacuum frames
Assignee: MICHAEL A CANALE
•
Filing: 1965-09-20
•
Granted: 1969-01-07
•
Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Michael A Canale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:00
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/18; G03B27/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A VACUUM FRAME COMPRISING A RIGID TRANSPARENT MEMBER AND A FLEXIBLE MEMBER IN FACING RELATIONSHIP AND MEANS FOR SUBSTANTIALLY EXHAUSTING THE AIR BETWEEN SAID RIGID AND FLEXIBLE MEMBERS, SAID RIGID AND FLEXIBLE MEMBERS HAVING POSITIONED BETWEEN THEM A MATTE BED COMPRISING SPONGY MATERIAL AND FLEXIBLE SHEET MATERIAL AND FURTHER IN COMBINATION WITH SEPARATE FLEXIBLE SHEET MATERIAL MEANS IN FACING RELATIONSHIP TO THE SAID FIRST MEMTIONED FLEXIBLE SHEET MATERIAL OF THE SAID MATTE BED, SAID FRAME BEING ADAPTED TO HOLD PRINTING MATERIAL IN IT BETWEEN THE SAID FIRST AND SECOND MENTIONED SHEET MATERIALS WITH AT LEAST A PORTION OF THE FACING SURFACES OF THE SAID
Claim 2
Dependent Claim
104 words
A VACUUM FRAME COMPRISING A RIGID TRANSPARENT MEMBER AND A FLEXIBLE MEMBER IN FACING RELATIONSHIP AND MEANS FOR SUBSTANTIALLY EXHAUSTING THE AIR BETWEEN SAID RIGID AND FLEXIBLE MEMBERS, SAID RIGID AND FLEXIBLE MEMBERS HAVING POSITIONED BETWEEN THEM A MATTE BED COMPRISING SPONGY MATERIAL AND FLEXIBLE SHEET MATERIAL AND FURTHER IN COMBINATION WITH SEPARATE FLEXIBLE SHEET MATERIAL MEANS IN FACING RELATIONSHIP TO THE SAID FIRST MEMTIONED FLEXIBLE SHEET MATERIAL OF THE SAID MATTE BED, SAID FRAME BEING ADAPTED TO HOLD PRINTING MATERIAL IN IT BETWEEN THE SAID FIRST AND SECOND MENTIONED SHEET MATERIALS WITH AT LEAST A PORTION OF THE FACING SURFACES OF THE SAID
References Cited (Backward Citations)
US601882A
Cited
US1151477A
Cited
US1234416A
Cited
US2408310A
Cited
US2836099A
Cited
US2951430A
Cited
US2941461A
Cited
US2956769A
Cited
US3007390A
Cited
US3187657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |