US3094430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying mirror coating to acrylic base
Assignee: DR MARIANO AVELEDO
•
Filing: 1961-12-11
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Granted: 1963-06-18
•
Expires: 1981-12-11
Abstract
No abstract record available.
Inventors
- 👤 Skwierinski Albion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:26
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44; C23C18/18; C23C18/20; C23C18/22; C23C18/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A METHOD FOR APPLYING A MIRROR COATING TO AN ACRYLIC ARTICLE COMPRISING TREATING THE ARTICLE WITH TANNIC ACID, RINSING THE ARTICLE WITH WATER AND THEREAFTER APPLYING A MIRROR COATING THERETO BY PRECIPITATION FROM A SILVERING SOLUTION.
Claim 2
Independent Claim
36 words
A METHOD FOR APPLYING A MIRROR COATING TO AN ACRYLIC ARTICLE COMPRISING TREATING THE ARTICLE WITH TANNIC ACID, RINSING THE ARTICLE WITH WATER AND THEREAFTER APPLYING A MIRROR COATING THERETO BY PRECIPITATION FROM A SILVERING SOLUTION.
References Cited (Backward Citations)
US2273613A
Cited
US2355933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |