Patent US2878520A successfully refreshed from Google Patents.
US2878520A
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US
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Method for forming plastic articles
Assignee: OI Glass Inc
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Filing: 1954-05-11
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Granted: 1959-03-24
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Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 George V Mumford
- 👤 Leonard D Soubier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:14
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C2949/00; B29C2949/30; B29C2949/3032; B29C2949/3041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1205839A
Cited
US2175053A
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US2262612A
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US2288454A
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US2349178A
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US2706308A
Cited
US2632202A
Cited
US2710987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |