Patent US3449188A successfully refreshed from Google Patents.
US3449188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing molded hollow articles
Assignee: Ozark Reconditioning Co
•
Filing: 1965-08-18
•
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 20:20
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/566; B29C70/00; B29C70/04; B29C70/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1251175A
Cited
US2059387A
Cited
US2428654A
Cited
US2455215A
Cited
US2614058A
Cited
US2718583A
Cited
US3006402A
Cited
US2814329A
Cited
US3226273A
Cited
US3379591A
Cited
US3278993A
Cited
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 |