Patent US3549478A successfully refreshed from Google Patents.
US3549478A
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US
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Glass laminate having a brominated resin interlayer
Assignee: PPG Industries Inc
•
Filing: 1968-04-02
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Granted: 1970-12-22
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Expires: 1988-04-02
Abstract
No abstract record available.
Inventors
- 👤 Frank H Gillery
- 👤 Jacob A Dvorak
- 👤 Ronald R Rabenold
- 👤 John R Peffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10779; B32B17/10733; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T428/31551; Y10T428/31616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3045120A
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US3130854A
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US3053776A
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US3240376A
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US3350352A
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US3321099A
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US3265234A
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US3283156A
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US3285995A
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US3334008A
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US3455754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |