US3296114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anodizing apparatus
Assignee: LLOYD METAL Manufacturing Co Ltd
•
Filing: 1963-07-17
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Granted: 1967-01-03
•
Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 James B C Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:25
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/005; C25D17/00; C25D17/004; C25D21/00; C25D21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
ANODIZING APPARATUS COMPRISING A TANK FOR CONTAINING A QUANTITY OF ELECTROLYTE, SAID TANK HAVING SIDE WALLS AND END WALLS, SAID WALLS BEING PROVIDE ADJACENT THE BOTTOM THEREOF WITH MEANS FOR SEALINGLY ENGAGING A METALLIC SHEET TO BE ANODIZED, WHEREBY THE BOTTOM OF SAID TANK IS CLOSED, MEANS FOR CONNECTING AN ELECTRICAL POTENTIAL BETWEEN SAID ELECTROLYTE AND SAID SHEET, WHEREBY ANODIZING CURRENT FLOWS BETWEEN SAID ELECTROLYTE AND SAID SHEET, AND MEANS FOR FLOWING SAID ELECTROLYTE OVER THE SURFACE OF SAID SHEET, SAID LAST NAMED MEANS COMPRISING AN ENDLESS ELT MOUNTED ON A PAIR OF ROLLERS DISPOSED WITHIN SAID TANK, SAID BELT BEING POSITIONED PARALLETL AND CLOSELY ADJACENT TO THE SURFACE OF THE SHEET TO BE ANODIZED AT THE BOTTOM OF SAID TANK AND HAVING A PLURALITY OF DISCONTINUITIES IN THE SURFACE THEREOF ADAPTED TO CAUSE SAID ELECTROLYTE TO FLOW OVER THE SURFACE OF SAID SHEET WHEN SAID ROLLERS ARE ROTATED.
Claim 2
Dependent Claim
149 words
ANODIZING APPARATUS COMPRISING A TANK FOR CONTAINING A QUANTITY OF ELECTROLYTE, SAID TANK HAVING SIDE WALLS AND END WALLS, SAID WALLS BEING PROVIDE ADJACENT THE BOTTOM THEREOF WITH MEANS FOR SEALINGLY ENGAGING A METALLIC SHEET TO BE ANODIZED, WHEREBY THE BOTTOM OF SAID TANK IS CLOSED, MEANS FOR CONNECTING AN ELECTRICAL POTENTIAL BETWEEN SAID ELECTROLYTE AND SAID SHEET, WHEREBY ANODIZING CURRENT FLOWS BETWEEN SAID ELECTROLYTE AND SAID SHEET, AND MEANS FOR FLOWING SAID ELECTROLYTE OVER THE SURFACE OF SAID SHEET, SAID LAST NAMED MEANS COMPRISING AN ENDLESS ELT MOUNTED ON A PAIR OF ROLLERS DISPOSED WITHIN SAID TANK, SAID BELT BEING POSITIONED PARALLETL AND CLOSELY ADJACENT TO THE SURFACE OF THE SHEET TO BE ANODIZED AT THE BOTTOM OF SAID TANK AND HAVING A PLURALITY OF DISCONTINUITIES IN THE SURFACE THEREOF ADAPTED TO CAUSE SAID ELECTROLYTE TO FLOW OVER THE SURFACE OF SAID SHEET WHEN SAID ROLLERS ARE ROTATED.
References Cited (Backward Citations)
US568099A
Cited
US1191386A
Cited
US2307928A
Cited
US2515614A
Cited
US2989445A
Cited
US3038850A
Cited
US3079308A
Cited
US3082164A
Cited
US3223610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |