Patent US2385567A successfully refreshed from Google Patents.
US2385567A
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US
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Electrical heating of articles made of glass or other vitreous material
Assignee: Individual
•
Filing: 1941-09-25
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Granted: 1945-09-25
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Expires: 1961-09-25
Abstract
No abstract record available.
Inventors
- 👤 Descarsin Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:51
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/20; C03B23/207; C03B29/00; C03B33/00; C03B33/06; C03B33/08; C03B33/085; Y; Y10; Y10S; Y10S159/00; Y10S159/01; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-09-24 | 1949-03-26 | 1949-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-24 | 1953-03-26 | 1953-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-24 | 1957-03-26 | 1957-09-25 | $7700.00 | Window Closed / Lapsed |