US3334586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable hardness support for sheet to be printed
Assignee: PRECISION ACQUISITION Inc A DE CORP (NOW KNOWN AS PRECISION SCREEN MACHINES Inc
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Filing: 1965-02-24
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Granted: 1967-08-08
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Matthew L Jaffa
- 👤 Jaffa David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:46
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/14; B41F15/16; B41F15/18; B41F15/22; B41F1/00; B41F1/26; Y; Y10; Y10S; Y10S428/00; Y10S428/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PRINTING SURFACE OF VARIABLE HARDNESS COMPRISING: (A) A RIGID BACKING MEMBER, (B) IMPERFORATE, AIR IMPREVIOUS MEANS DEFINING A DEFORMABLE VACUUM CHAMBER IMPREVIOUS TO A PULLED VACUUM THEREON SUPPORTED ON SAID BACKING MEMBER, (C) A COMPRESSIBLE PADDING MEANS DISPOSED BETWEEN SAID BACKING MEMBER AND IMPERFORATE, AIR IMPERVIOUS MEANS SO AS TO BE CONFINED WITHIN SAID VACUUM CHAMBER, (D) AND MEANS FOR DRAWING A VACUUM ON SAID CHAMBER CAUSING THE ATMOSPHERIC PRESSURE ACTING EXTERNALLY ON SAID DEFORMABLE VACUUM CHAMBER AND PADDING MEANS THEREIN TO COMPRESS SO AS TO VARY THE HARDNESS OF THE PRINTING SURFACE DEFINED THEREBY IN ACCORDANCE WITH THE DEGREE OF VACUUM PULLED ON SAID VACUUM CHAMBER.
Claim 2
Dependent Claim
108 words
A PRINTING SURFACE OF VARIABLE HARDNESS COMPRISING: (A) A RIGID BACKING MEMBER, (B) IMPERFORATE, AIR IMPREVIOUS MEANS DEFINING A DEFORMABLE VACUUM CHAMBER IMPREVIOUS TO A PULLED VACUUM THEREON SUPPORTED ON SAID BACKING MEMBER, (C) A COMPRESSIBLE PADDING MEANS DISPOSED BETWEEN SAID BACKING MEMBER AND IMPERFORATE, AIR IMPERVIOUS MEANS SO AS TO BE CONFINED WITHIN SAID VACUUM CHAMBER, (D) AND MEANS FOR DRAWING A VACUUM ON SAID CHAMBER CAUSING THE ATMOSPHERIC PRESSURE ACTING EXTERNALLY ON SAID DEFORMABLE VACUUM CHAMBER AND PADDING MEANS THEREIN TO COMPRESS SO AS TO VARY THE HARDNESS OF THE PRINTING SURFACE DEFINED THEREBY IN ACCORDANCE WITH THE DEGREE OF VACUUM PULLED ON SAID VACUUM CHAMBER.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |