US2803595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electropolishing magnetic articles
Assignee: Raytheon Co
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Filing: 1954-09-29
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Granted: 1957-08-20
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Expires: 1974-09-29
Abstract
No abstract record available.
Inventors
- 👤 Anzaldi Salvatore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:22
CPC Classifications
C; C25; C25F; C25F7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A METHOD OF ELECTROPOLISHING ARTICLES HAVING MAGNETIC PROPERTIES INCLUDING THE STEPS OF MAGNETICALLY SECURING AN ARCUATE DISC TO ONE POLE ONLY OF A MAGNET, MAGNETICALLY ATTRACTING A PLURALITY OF SAID ARTICLES INTO CONTACT WITH SPACED PORTIONS OF THE PERIPHERY OF SAID DISC, IMMERSING SAID DISC SUBSTANTIALLY VERTICALLY IN AN ELECTROLYTIC LIQUID MEDIUM, AND PASSING A CURRENT THROUGH SAID DISC AND SAID ARTICLES.
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |