Patent US4740388A successfully refreshed from Google Patents.
US4740388A
Expired / Lapsed
US
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Painting method by spraying glassy material
Assignee: Individual
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Filing: 1986-11-19
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Granted: 1988-04-26
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Expires: 2006-11-19
Abstract
Abstract A glassy material and painting method comprising exposing a plain surface of a metal material to be painted, applying a vaporizable rust preventive on the surface, and then spraying a powdered glassy material onto the surface thus obtained to form a glassy surface coat.
Inventors
- 👤 Mikio Nakashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:51
CPC Classifications
C; C23; C23D; C23D3/00; C23D5/00; C23D5/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A painting method comprising exposing a plain surface of a metal material to be painted, applying a vaporizable rust preventative on the surface, said vaporizable rust preventative being at least one member selected from the group consisting of dicyclohexyl ammonium caprate, isopropyl ammonium nitrite, cyclohxyl ammonium nitrite, and dicyclohexyl ammonium nitrite, sublimating the rust preventative, and then spraying a powdered glassy material onto the surface thus obtained to form a glassy surface coat.
Claim 2
Dependent Claim
73 words
A painting method comprising exposing a plain surface of a metal material to be painted, applying a vaporizable rust preventative on the surface, said vaporizable rust preventative being at least one member selected from the group consisting of dicyclohexyl ammonium caprate, isopropyl ammonium nitrite, cyclohxyl ammonium nitrite, and dicyclohexyl ammonium nitrite, sublimating the rust preventative, and then spraying a powdered glassy material onto the surface thus obtained to form a glassy surface coat.
Claim 3
Dependent Claim
16 words
A painting method according to claim 1, wherein said powdered glassy material is a powdered glass.
Claim 4
Dependent Claim
14 words
A painting method according to claim 1, wherein said powdered glassy material is frit.
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) | 1991-04-26 | 1991-10-26 | 1992-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-26 | 1995-10-26 | 1996-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-26 | 1999-10-26 | 2000-04-26 | $7700.00 | Window Closed / Lapsed |