US2585607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass furnace charging
Assignee: Westinghouse Electric Corp
•
Filing: 1941-06-25
•
Granted: 1952-02-12
•
Expires: 1961-06-25
Abstract
No abstract record available.
Inventors
- 👤 James B Whitmore
- 👤 Frank A Newcombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:38
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/24; C03B5/245; C03B3/00; G; G05; G05D; G05D9/00; G05D9/12; Y; Y10; Y10S; Y10S65/00; Y10S65/04; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |