US3356597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for measuring electrofinishing stresses
Assignee: General Electric Co
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Filing: 1965-02-18
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Granted: 1967-12-05
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Francis Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:39
CPC Classifications
C; C25; C25D; C25D21/00; C25D21/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
THE METHOD OF MEASURING THE DEPENDENCE OF STRESS IN ELECTRODEPOSITED COATINGS UPON THE CURRENT DENSITY EMPLOYED IN THE DEPOSITION OF THE SID COATINGS WHICH COMPRISES: (A) PROVIDING A PLURALITY OF ELONGATED ELECTRODE PORTIONS HAVING PLANE FACES LYING IN ONE COMMON PLANE, THE SAID ELECTRODE PORTIONS BEING FLAT, RELATIVELY THIN, OF THE SAME MATERIAL AND OF IDENTICAL THICKNESS, AND ALIKE IN MECHANICAL PROPERTIES, EACH SAID ELECTRODE PORTION HAVING ONE END CONNECTED TO A HEADER STRIP COMMON TO ALL SAID PORTIONS; (B) IMMERISING THE SAID PLURALITY OF ELONGATED ELECTRODE PORTIONS IN AN ELECTROLYTIC BATH, TOGETHER IWTH COUNTERELECTRODE LOCATED NON-PARALLEL TO THE SAID COMMON PLANE;
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |