US2555874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photolithographic plate inking, drying, and developing machine
Assignee: JOHN S SWIFT CO Inc
•
Filing: 1946-12-23
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Granted: 1951-06-05
•
Expires: 1966-12-23
Abstract
No abstract record available.
Inventors
- 👤 Harry A Coughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/30; G03F7/3042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PHOTOLITHOGRAPHIC PLATE TREATING MACHINE IN WHICH THE PLATE IS AUTOMATICALLY TREATED BY A PLURALITY OF SPACED-APART SEPARATE AND DISTINCT DEVICES WHICH PERFORM DIFFERENT SUCCESSIVE INDIVIDUAL FUNCTIONS ON THE PLATE WHILE THE PLATE IS CONTINUOUSLY MOVED THROUGH THE MACHINE, THE SAID DEVICES BEING MOUNTED ON THE MACHINE IN THEIR SPACED RELATIONSHIP, MEANS FOR CONTINUOUSLY MOVING THE PLATE THROUGH THE MACHINE, POWER OPERATED MEANS CONNECTED INDEPENDENTLY WITH EACH OF THE DEVICES AND WITH THE MEANS FOR CONTINUOUSLY MOVING THE PLATE THROUGH THE MA-
Claim 2
Dependent Claim
82 words
A PHOTOLITHOGRAPHIC PLATE TREATING MACHINE IN WHICH THE PLATE IS AUTOMATICALLY TREATED BY A PLURALITY OF SPACED-APART SEPARATE AND DISTINCT DEVICES WHICH PERFORM DIFFERENT SUCCESSIVE INDIVIDUAL FUNCTIONS ON THE PLATE WHILE THE PLATE IS CONTINUOUSLY MOVED THROUGH THE MACHINE, THE SAID DEVICES BEING MOUNTED ON THE MACHINE IN THEIR SPACED RELATIONSHIP, MEANS FOR CONTINUOUSLY MOVING THE PLATE THROUGH THE MACHINE, POWER OPERATED MEANS CONNECTED INDEPENDENTLY WITH EACH OF THE DEVICES AND WITH THE MEANS FOR CONTINUOUSLY MOVING THE PLATE THROUGH THE MA-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |