US2946697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Masking method and apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1957-12-31
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Granted: 1960-07-26
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Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 Petro James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
THE METHOD OF MASKING A SELECTED PART OF AN ARTICLE FROM A PROCESSING MEDIUM WHICH METHOD CONSISTS OF INSERTILNG SAID ARTICLE INTO A SHILDING MEMBER ADAPTED TO LOOSELY RECEIVE THE SELECTED PART TO BE MASKED, POSITIONING SAID ARTICLE WITHIN AND IN WHOLLY SPACED RELATIONSHIP WITH SAID SHIELDING MEMBER TO DEFINE WITH THE ENCIRCLED PART OF SAID ARTICLE AN OPENING WHICH COINCIDES WITH A PREDETERMINED LINE OF CUT-OFF ON SAID ARTICLE, ROTATING SAID ARTICLE AND SHIELDING MEMBER WHILE SO POSITIONED, AND THEN PASSING A FLUID MEDIUM THROUGH SAID OPENING TO PREVENT THE INFLUX OF SAID PROCESSING MEDIUM INTO SAID OPENING AND THEREBY RESTRICT SAID PROCESSING MEDIUM TO THE EXPOSED PART OF SAID ARTICLE ABOVE THE AFORESAID LINE OF CUT-OFF.
References Cited (Backward Citations)
US2151427A
Cited
US2242032A
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US2342375A
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US2600161A
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US2783164A
Cited
US2781282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |