US2428302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored glass fiber product
Assignee: Owens Corning
•
Filing: 1943-04-09
•
Granted: 1947-09-30
•
Expires: 1963-04-09
Abstract
No abstract record available.
Inventors
- 👤 Trowbridge William Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:48
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T442/00; Y10T442/30; Y10T442/3049
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191507284A
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US2106519A
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US2073666A
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GB483550A
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US2215061A
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US2195272A
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US2133238A
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US2193818A
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US2145235A
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US2361277A
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US2333023A
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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) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |