US3051632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electroplating copper elbows
Assignee: WILLIAM D KRAEMER
•
Filing: 1959-07-27
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Granted: 1962-08-28
•
Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Dike Melville Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:39
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD OF FORMING AN ELBOW HAVING UNIFORM WALL THICKNESS OUT OF COPPER TUBING COMPRISING THE STEPS OF, BENDING THE COPPER TUBING INTO THE SHAPE OF AN ELBOW, LOCATING THE WALL PORTIONS OF SAID ELBOW WHICH ARE OF REDUCED THICKNESS DUE TO SUCH BENDING, AND ELECTROPLATING ONOT SAID WALL PORTIONS SUFFICIENT COPPER TO OVERCOME SAID REDUCED THICKNESS TO THEREBY PROVIDE AN ELBOW OF UNIFORM WALL THICKNESS.
Claim 2
Independent Claim
66 words
A METHOD OF FORMING AN ELBOW HAVING UNIFORM WALL THICKNESS OUT OF COPPER TUBING COMPRISING THE STEPS OF, BENDING THE COPPER TUBING INTO THE SHAPE OF AN ELBOW, LOCATING THE WALL PORTIONS OF SAID ELBOW WHICH ARE OF REDUCED THICKNESS DUE TO SUCH BENDING, AND ELECTROPLATING ONOT SAID WALL PORTIONS SUFFICIENT COPPER TO OVERCOME SAID REDUCED THICKNESS TO THEREBY PROVIDE AN ELBOW OF UNIFORM WALL THICKNESS.
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |