US2689802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
- layers -to reflecting metal
Assignee: —
•
Filing: —
•
Granted: 1954-09-21
•
Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:20
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/201; B; B05; B05D; B05D5/00; B05D5/06; B05D5/061; B05D5/067; B05D5/068; B05D7/00; B05D7/14; B05D7/16; B05D7/50; B05D7/52; B05D7/53; B05D7/54; B05D7/56; B05D7/57; C; C23; C23C; C23C28/00; B05D2202/00; B05D2202/20; B05D2202/25; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31714
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF APPLYING A PROTECTIVE LAYER TO A REFLECTING METAL SURFACE COMPRISING THE STEPS OF FORMING A BASE FOR SAID METAL SURFACE BY PROVIDING A FIRST NON-OPAQUE THERMO-SETTING LAYER OF LACQUER INCLUDING A NON-DRYING ALKYD RESIN, APPLYING A THIN LAYER OF HIGHLY REFLECTIVE METAL TO SAID FIRST LAYER OF HARDENED LACQUER, AND COVERING SAID METAL WITH A SECOND LAYER OF NON-OPAQUE THERMO-SETTING LACQUER INCLUDING A NON-DRYING ALKYD RESIN WHICH IS SUBSEQUENTLY HARDENED AT A TEMPERATURE THAT IS AT LEAST 15* C. LOWER THAN THAT AT WHICH SAID FIRST LAYER OF LACQUER WAS HARDENED.
Claim 2
Independent Claim
94 words
A METHOD OF APPLYING A PROTECTIVE LAYER TO A REFLECTING METAL SURFACE COMPRISING THE STEPS OF FORMING A BASE FOR SAID METAL SURFACE BY PROVIDING A FIRST NON-OPAQUE THERMO-SETTING LAYER OF LACQUER INCLUDING A NON-DRYING ALKYD RESIN, APPLYING A THIN LAYER OF HIGHLY REFLECTIVE METAL TO SAID FIRST LAYER OF HARDENED LACQUER, AND COVERING SAID METAL WITH A SECOND LAYER OF NON-OPAQUE THERMO-SETTING LACQUER INCLUDING A NON-DRYING ALKYD RESIN WHICH IS SUBSEQUENTLY HARDENED AT A TEMPERATURE THAT IS AT LEAST 15* C. LOWER THAN THAT AT WHICH SAID FIRST LAYER OF LACQUER WAS HARDENED.
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) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |