US3449188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing molded hollow articles
Assignee: Ozark Reconditioning Co
•
Filing: 1965-08-18
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Granted: 1969-06-10
•
Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Donald R Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:39
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/566; B29C70/00; B29C70/04; B29C70/28
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |