US3392423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding expandable plastic beads
Assignee: OI Glass Inc
•
Filing: 1965-05-12
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Granted: 1968-07-16
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Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 James E Heider
- 👤 Charles E Plymale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C44/3415; B29C44/3426; B29L; B29L2031/00; B29L2031/712; B29L2031/7132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |