US2457785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making glass film
Assignee: Owens Corning
•
Filing: 1944-08-18
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Granted: 1948-12-28
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Expires: 1964-08-18
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
- 👤 Snow Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
C; C03; C03B; C03B17/00; C03B17/06; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10S264/66; Y10S264/73; Y10S65/00; Y10S65/05; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31634; Y10T428/31638
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1136362A
Cited
US1239024A
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US1592299A
Cited
DE483843C
Cited
US1750972A
Cited
US2243194A
Cited
US2172899A
Cited
US2342891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |