Patent GB856472A successfully refreshed from Google Patents.
US3003286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass bending mould
Assignee: PPG Industries Inc
•
Filing: 1956-10-18
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Granted: 1961-10-10
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Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:17
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/10; G21C17/102; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027; G01; G01K; G01K1/00; G01K1/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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FR1097088A
Cited
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Cited
FR1123688A
Cited
US2897632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |