Patent US3170245A successfully refreshed from Google Patents.
US3170245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for preparing pinbar plates for use on offset printing presses
Assignee: Individual
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Filing: 1962-08-01
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Granted: 1965-02-23
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Edward R Updegraff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:13
CPC Classifications
G; G03; G03F; G03F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A METHOD OF PREPARING PIN-BAR PLATES FOR USE IN MULTI-COLOR OR MULTI-FORM PRINTING, SAID METHOD COMPRISING THE STEPS OF PREPARING A FLAT FOR EACH COLOR OR FORM APPEARING IN THE FINISHED PRINTING JOB BY SECURING A PHOTOGRAPHIC NEGATIVE TO A SHEET OF LIGHT LOCKING MATERIAL AND REMOVING A PORTION OF THE SHEET WHERE IT IS DESIRED FOR LIGHT TO PENETRATE THE NEGATIVE, SUPERIMPOSING SAID FLATS IN PERFECT REGISTRATION ON A LIGHT TABLE, AND SIMULTANEOUSLY PUNCHING A PLURALITY OF HOLES THROUGH SAID FLATS ADJACENT A CORRESPONDING EDGE OF EACH FLAT WHILE SAID FLATS ARE MAINTAINED IN SAID PERFECT REGISTRATION, SAID HOLES CORRESPONDING IN SIZE AND SPACING TO SELECTED PIN-BAR HOLES IN A PINBAR PLATE WITH WHICH SAID FLATS ARE ADAPTED TO BE USED,
Claim 2
Independent Claim
122 words
A METHOD OF PREPARING PIN-BAR PLATES FOR USE IN MULTI-COLOR OR MULTI-FORM PRINTING, SAID METHOD COMPRISING THE STEPS OF PREPARING A FLAT FOR EACH COLOR OR FORM APPEARING IN THE FINISHED PRINTING JOB BY SECURING A PHOTOGRAPHIC NEGATIVE TO A SHEET OF LIGHT LOCKING MATERIAL AND REMOVING A PORTION OF THE SHEET WHERE IT IS DESIRED FOR LIGHT TO PENETRATE THE NEGATIVE, SUPERIMPOSING SAID FLATS IN PERFECT REGISTRATION ON A LIGHT TABLE, AND SIMULTANEOUSLY PUNCHING A PLURALITY OF HOLES THROUGH SAID FLATS ADJACENT A CORRESPONDING EDGE OF EACH FLAT WHILE SAID FLATS ARE MAINTAINED IN SAID PERFECT REGISTRATION, SAID HOLES CORRESPONDING IN SIZE AND SPACING TO SELECTED PIN-BAR HOLES IN A PINBAR PLATE WITH WHICH SAID FLATS ARE ADAPTED TO BE USED,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |