US3667988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Masking in surface treatment of articles
Assignee: Nagoya Yukagaku Kogyo KK
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Filing: 1970-06-30
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Granted: 1972-06-06
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Expires: 1990-06-30
Abstract
Abstract A METHOD OF MASKING FOR PROTECTING A SPECIFIED AREA OF SURFACE OF ARTICLES FROM COATING OR PLATING CHARACTERIZED IN THAT PROTECTING ELEMENTS MADE OF SYNTHETIC RESIN FOAM IN THE SHAPE OF A COLUMN, DOUGHNYT, BALL, TRUNCATED CYLINDER, PRISM, CUBE, CAP OR RING ARE USED AND WHEREIN SAID SYNTHETIC RESIN FOAM IS STABLE AND RESTRAINS ELASTICITY AT NORMAL TEMPERATURE, BUT WHEN HEATED ABOVE A PREDETERMINED TEMPERATURE RAPIDLY CONTRACTS IN ITS VOLUME, THEREBY SAID AREA BEING EFFECTIVELY MASKED DURING COATING OR PLATING AND DURING HEAT-TREATMENT OF THE COATED OR PLATED ARTICLE THE PROTECTING ELEMENT IS CONTRACTED IN VOLUME AND FREELY REMOVED FROM THE ARTICLE.
Inventors
- 👤 Seinosuke Horiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:10
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/32; B05B; B05B12/00; B05B12/16; B05B12/20; B05B12/26; B60; B60G; B60G7/00; B60G7/001; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/124; B60G2206/70; B60G2206/72; B60G2206/722; B60G2206/80; B60G2206/81; B60G2206/8102
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |