Patent US4377581A successfully refreshed from Google Patents.
Patent US4582725A successfully refreshed from Google Patents.
US4582725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Painting method by spraying glassy material
Assignee: Individual
•
Filing: 1984-08-27
•
Granted: 1986-04-15
•
Expires: 2004-08-27
Abstract
Abstract A glassy material spraying and painting method comprising directly spraying a powdered glassy material onto a surface of an object to be painted to form a glassy coat on the surface. It is also possible to perform an undercoat on the surface before the glassy material is sprayed thereon.
Inventors
- 👤 Mikio Nakashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/52; C23; C23D; C23D5/00; C23D5/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A painting method comprising spraying an undercoating material on a surface to be painted, said undercoating material being wollastonite, danburite, or gehlenite, or a compound thereof, and then spraying a powdered glassy material onto the undercoat thus obtained to form a glassy surface coat.
Claim 2
Dependent Claim
44 words
A painting method comprising spraying an undercoating material on a surface to be painted, said undercoating material being wollastonite, danburite, or gehlenite, or a compound thereof, and then spraying a powdered glassy material onto the undercoat 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)
US2321763A
Cited
US2295945A
Cited
US2813305A
Cited
US2940865A
Cited
US3457102A
Cited
US3788874A
Cited
JPS5771671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |