US2389360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double glazed window and method of manufacture
Assignee: Corning Glass Works
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Filing: 1942-04-07
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Granted: 1945-11-20
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Expires: 1962-04-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Guyer
- 👤 Jesse T Littleton
- 👤 Jr Morton R Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/42; C; C03; C03B; C03B23/00; C03B23/20; C03B23/24; C03B23/245; Y; Y10; Y10S; Y10S65/00; Y10S65/04; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49083
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) | 1948-11-19 | 1949-05-21 | 1949-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-19 | 1953-05-21 | 1953-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-19 | 1957-05-21 | 1957-11-20 | $7700.00 | Window Closed / Lapsed |