US2701183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoengraver's etching bath
Assignee: Konica Minolta Graphic Imaging USA Inc
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Filing: 1951-02-17
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Granted: 1955-02-01
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Expires: 1971-02-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Augustin J Powers
- 👤 Jr George A Butter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:14
CPC Classifications
C; C23; C23F; C23F1/00; Y; Y10; Y10T; Y10T436/00; Y10T436/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PHOTOENGRAVER''S ETCHING BATH TESTING DEVICE INCLUDING IN COMBINATION A PAIR OF SCISSOR-LIKE LEVERS PIVOTED TOGETHER AT AN INTERMEDIATED POINT, MEANS ENGAGING SAID LEVERS FOR CONSTANTLY URGING THE ENDS OF THE LEVERS AWAY FROM EACH OTHERS, SAID LEVER ENDS BEING FORMED WITH SPRING CLOSING JAWS FOR HOLDING A METAL TEST STRIP TO BE ETCHED AT PORTIONS SPACED APART ALONG SAID STRIP SO THAT A PORTION OF SAID STRIP BETWEEN SAID HELD POSITIONS IS FREELY AVAILABLE TO BE ATTACKED BY AN ETCHING SOLUTION, AND MEANS FOR OPENING THE JAWS AS THE LEVERS ARE MOVED TOGETHER SAID STRIP BEING HELD IN CONSTANT TENSION AS THE ENDS OF SAID LEVERS ARE RESILIENTLY URGED APART.
Claim 2
Dependent Claim
111 words
A PHOTOENGRAVER''S ETCHING BATH TESTING DEVICE INCLUDING IN COMBINATION A PAIR OF SCISSOR-LIKE LEVERS PIVOTED TOGETHER AT AN INTERMEDIATED POINT, MEANS ENGAGING SAID LEVERS FOR CONSTANTLY URGING THE ENDS OF THE LEVERS AWAY FROM EACH OTHERS, SAID LEVER ENDS BEING FORMED WITH SPRING CLOSING JAWS FOR HOLDING A METAL TEST STRIP TO BE ETCHED AT PORTIONS SPACED APART ALONG SAID STRIP SO THAT A PORTION OF SAID STRIP BETWEEN SAID HELD POSITIONS IS FREELY AVAILABLE TO BE ATTACKED BY AN ETCHING SOLUTION, AND MEANS FOR OPENING THE JAWS AS THE LEVERS ARE MOVED TOGETHER SAID STRIP BEING HELD IN CONSTANT TENSION AS THE ENDS OF SAID LEVERS ARE RESILIENTLY URGED APART.
References Cited (Backward Citations)
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US859925A
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US1081786A
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US2601839A
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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) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |