Patent US523952A successfully refreshed from Google Patents.
Patent US2777784A successfully refreshed from Google Patents.
US2777784A
Expired / Lapsed
US
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Method and apparatus for spray coating of articles
Assignee: Ransburg Corp
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Filing: 1951-11-27
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Granted: 1957-01-15
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Emery P Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF APPLYING COATING MATERIAL TO AN ARTICLE BY ELECTROSTATIC DEPOSITION WHICH COMPRISES PASSING THE ARTICLE ALONG A HORIZONTAL PATH, ENCIRCLING THE PATH WITH MEANS PROVIDING A PLURALITY OF ANNULAR VERTICALLY ARRANGED ATOMIZING EDGES, CONTINUOUSLY ROTATING SAID MEANS, AND CONTINUOUSLY DIPPING THE LOWER PORTION OF THE MEANS IN A POOL OF COATING MATERIAL TO FEED THE MATERIAL TO SAID EDGES AND CREATING AN ELECTROSTATIC CHARGE DIFFERENTIAL BETWEEN THE ARTICLE AND THE COATING MATERIAL AT SAID EDGES OF SUFFICIENT STRENGTH TO BE CAPABLE OF ELECTROSTATICALLY ATOMIZING SAID MATERIAL AND ELECTROSTATICALLY DEPOSITING THE ATOMIZED MATERIAL ON THE ARTICLE.
Claim 2
Independent Claim
97 words
THE METHOD OF APPLYING COATING MATERIAL TO AN ARTICLE BY ELECTROSTATIC DEPOSITION WHICH COMPRISES PASSING THE ARTICLE ALONG A HORIZONTAL PATH, ENCIRCLING THE PATH WITH MEANS PROVIDING A PLURALITY OF ANNULAR VERTICALLY ARRANGED ATOMIZING EDGES, CONTINUOUSLY ROTATING SAID MEANS, AND CONTINUOUSLY DIPPING THE LOWER PORTION OF THE MEANS IN A POOL OF COATING MATERIAL TO FEED THE MATERIAL TO SAID EDGES AND CREATING AN ELECTROSTATIC CHARGE DIFFERENTIAL BETWEEN THE ARTICLE AND THE COATING MATERIAL AT SAID EDGES OF SUFFICIENT STRENGTH TO BE CAPABLE OF ELECTROSTATICALLY ATOMIZING SAID MATERIAL AND ELECTROSTATICALLY DEPOSITING THE ATOMIZED MATERIAL ON THE ARTICLE.
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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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |