Patent US3799140A successfully refreshed from Google Patents.
Patent US2521846A successfully refreshed from Google Patents.
US2521846A
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US
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Composite glass and metal article
Assignee: Individual
•
Filing: 1950-02-08
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Granted: 1950-09-12
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Expires: 1970-02-08
Abstract
No abstract record available.
Inventors
- 👤 Waylande C Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:48
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/06; C23; C23D; C23D5/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1317; Y10T428/24; Y10T428/24355; Y10T428/24471; Y10T428/24479
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A COMPOSITE GLASS AND METAL ARTICLE COMPRISING A METAL BASE PROVIDED WITH A RECESS THEREIN AND HAVING A GLASS LAYER, SAID GLASS LAYER BEING SUBSTANTIALLY THICKER THAN A GLAZE, SAID GLASS LAYER BEING PROVIDED WITH INTERNAL FRACTURES FORMING INDIVIDUALLY PERCEPTIBLE LIGHT REFLECTING FACETS EXTENDING DEPTHWISE OF THE LAYER FROM THE GLASS SURFACE TO SAID AND BEING INTEGRAL WITH SAID BASE, SAID FRACTURES BEING ENTIRELY FREE OF METAL FROM SAID GLASS SURFACE TO SAID BASE.
Claim 2
Dependent Claim
74 words
A COMPOSITE GLASS AND METAL ARTICLE COMPRISING A METAL BASE PROVIDED WITH A RECESS THEREIN AND HAVING A GLASS LAYER, SAID GLASS LAYER BEING SUBSTANTIALLY THICKER THAN A GLAZE, SAID GLASS LAYER BEING PROVIDED WITH INTERNAL FRACTURES FORMING INDIVIDUALLY PERCEPTIBLE LIGHT REFLECTING FACETS EXTENDING DEPTHWISE OF THE LAYER FROM THE GLASS SURFACE TO SAID AND BEING INTEGRAL WITH SAID BASE, SAID FRACTURES BEING ENTIRELY FREE OF METAL FROM SAID GLASS SURFACE TO SAID BASE.
References Cited (Backward Citations)
GB189900522A
Cited
US1646468A
Cited
US1594940A
Cited
US2071294A
Cited
US2073254A
Cited
US2357399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |