US2666029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for chromium plating
Assignee: Rochester Lead Works Inc
•
Filing: 1951-09-26
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Granted: 1954-01-12
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Expires: 1971-09-26
Abstract
No abstract record available.
Inventors
- 👤 Quasie Lacey Glenn De
- 👤 Robert E Kochs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A CHROMIUM PLATING ANODE COMPRISING A ONE-PIECE BODY AND A GENERALLY U-SHAPED HOOK PORTION CONTAINING AT LEAST A MAJOR PROPORTION OF LEAD, THE HOOK PORTION HAVING A GROOVE EXTENDING LONGITUDINALLY OF ITS INNER FACE COEXTENSIVE WITH AND ARRANGED CENTRALLY BETWEEN THE SIDE EDGES OF THE HOOK PORTION, AND A COOPER CONTACT ROD LOCATED IN SAID GROOVE, SAID CONTACT ROD BEING COEXTENSIVE ENDWISE WITH THE HOOK PORTION AND HAVING APPROXIMATELY ONE-HALF ITS CROSSSECTION EMBEDDED AND SECURED THROUGHOUT ITS LENGTH IN SAID GROOVE AND APPROXIMATELY ONE-HALF ITS CROSS-SECTION FORMING A CONTINUOUS EXPOSED SURFACE COEXTENSIVE WITH THE HOOK PORTION AND PROJECTING LATERALLY BEYOND THE ADJACENT SURFACES OF THE HOOK PORTION, SAID EXPOSED SURFACE OF THE COPPER CONTACT ROD HAVING A TAPERING CROSS-SECTIONAL FORM AFFORDING A SURFACE OF LIMITED AREA FOR CONTACTING A CONDUCTING BAR AND SAID COPPER CONTACT ROD IMPARTING INCREASED STIFFNESS AND CONDUCTIVITY TO SAID HOOK PORTION.
Claim 2
Dependent Claim
145 words
A CHROMIUM PLATING ANODE COMPRISING A ONE-PIECE BODY AND A GENERALLY U-SHAPED HOOK PORTION CONTAINING AT LEAST A MAJOR PROPORTION OF LEAD, THE HOOK PORTION HAVING A GROOVE EXTENDING LONGITUDINALLY OF ITS INNER FACE COEXTENSIVE WITH AND ARRANGED CENTRALLY BETWEEN THE SIDE EDGES OF THE HOOK PORTION, AND A COOPER CONTACT ROD LOCATED IN SAID GROOVE, SAID CONTACT ROD BEING COEXTENSIVE ENDWISE WITH THE HOOK PORTION AND HAVING APPROXIMATELY ONE-HALF ITS CROSSSECTION EMBEDDED AND SECURED THROUGHOUT ITS LENGTH IN SAID GROOVE AND APPROXIMATELY ONE-HALF ITS CROSS-SECTION FORMING A CONTINUOUS EXPOSED SURFACE COEXTENSIVE WITH THE HOOK PORTION AND PROJECTING LATERALLY BEYOND THE ADJACENT SURFACES OF THE HOOK PORTION, SAID EXPOSED SURFACE OF THE COPPER CONTACT ROD HAVING A TAPERING CROSS-SECTIONAL FORM AFFORDING A SURFACE OF LIMITED AREA FOR CONTACTING A CONDUCTING BAR AND SAID COPPER CONTACT ROD IMPARTING INCREASED STIFFNESS AND CONDUCTIVITY TO SAID HOOK PORTION.
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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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |