Patent US3000050A successfully refreshed from Google Patents.
US3000050A
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Method and apparatus for forming hollow plastic articles
Assignee: OI Glass Inc
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Filing: 1958-11-04
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Granted: 1961-09-19
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Expires: 1978-11-04
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Schaich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/071; B29C2949/00; B29C2949/30; B29C2949/3032; B29C2949/3041; B29L; B29L2031/00; B29L2031/712; B29L2031/7158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1671079A
Cited
US2579399A
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US2792591A
Cited
FR1105529A
Cited
GB758299A
Cited
GB747434A
Cited
US2804654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |