US2370381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling and heattreating glass
Assignee: Electric Furnace Co
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Filing: 1940-04-19
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Granted: 1945-02-27
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Expires: 1960-04-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:11
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/0417; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B23/031; C03B27/052; C03B29/00; C03B29/04; C03B29/06; C03B29/08; C03B29/10; C03B35/00; C03B35/14; C03B35/20; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18152
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) | 1948-02-27 | 1948-08-28 | 1949-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-27 | 1952-08-28 | 1953-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-27 | 1956-08-28 | 1957-02-27 | $7700.00 | Window Closed / Lapsed |