Patent US3432283A successfully refreshed from Google Patents.
US3432283A
Expired / Lapsed
US
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Process for manufacture of glass utilizing gas pressure for glass sizing
Assignee: PPG Industries Inc
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Filing: 1965-07-30
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Granted: 1969-03-11
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Expires: 1985-07-30
Abstract
No abstract record available.
Inventors
- 👤 William F Galey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:23
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/04; C03B18/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3241939A
Cited
US3305339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |