Patent US5889965A successfully refreshed from Google Patents.
US3128201A
Expired / Lapsed
US
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Electrostatic spray coating method and apparatus
Assignee: Ransburg Corp
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Filing: 1955-05-06
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Granted: 1964-04-07
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 William D Gauthier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:57
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B13/0447; B05B13/0463; B05B13/0468; B05B13/0473; B05B15/00; B05B15/70; B05B15/72; B05B5/00; B05B5/025; B05B5/04; B05B5/08; B05B5/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF ELECTROSTATICALLY SPRAY COATING ARTICLES WITH DIFFERENT TYPES OF COATING MATERIALS COMPRISING DISTRIBUTING A PLURALITY OF ARTICLES TO BE COATED ALONG A CIRCULAR PATH ABOUT A PREDETERMINED AXIS, POSITIONING A RECIPROCABLE SPRAY SOURCE ALONG SAID AXIS, INITIATING A RADIALLY EXPANDING ANNULAR SPRAY OF CHARGED LIQUID PARTICLES OF A GIVEN TYPE FROM SAID SOURCE WHILE SAID SOURCE IS LOCATED BEYOND THE EXTREMITIES OF THE ARTICLES AND WITHIN A SHROUD ON WHICH THE SPRAY PARTICLES ARE DEPOSITED, MOVING SAID SPRAY SOURCE ALONG SAID AXIS INTO COATING RELATION WITH THE ARTICLES TO DEPOSIT CHARGED SPRAY PARTICLES ON
Claim 2
Independent Claim
96 words
A METHOD OF ELECTROSTATICALLY SPRAY COATING ARTICLES WITH DIFFERENT TYPES OF COATING MATERIALS COMPRISING DISTRIBUTING A PLURALITY OF ARTICLES TO BE COATED ALONG A CIRCULAR PATH ABOUT A PREDETERMINED AXIS, POSITIONING A RECIPROCABLE SPRAY SOURCE ALONG SAID AXIS, INITIATING A RADIALLY EXPANDING ANNULAR SPRAY OF CHARGED LIQUID PARTICLES OF A GIVEN TYPE FROM SAID SOURCE WHILE SAID SOURCE IS LOCATED BEYOND THE EXTREMITIES OF THE ARTICLES AND WITHIN A SHROUD ON WHICH THE SPRAY PARTICLES ARE DEPOSITED, MOVING SAID SPRAY SOURCE ALONG SAID AXIS INTO COATING RELATION WITH THE ARTICLES TO DEPOSIT CHARGED SPRAY PARTICLES ON
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |