US3114931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal air cooling of blow molded articles
Assignee: Ideal Toy Corp
•
Filing: 1961-10-17
•
Granted: 1963-12-24
•
Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Pelikan Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/66; B29C49/58; B29C49/60; B29C35/00; B29C35/16; B29C2035/1658; B29C49/48; B29C2049/4874; B29C49/6604; B29C2049/6606; B29C2049/6607; B29C2049/6623
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
A MOLDING APPARATUS COMPRISING A PAIR OF MOLD SECTIONS HAVING INNER MOLD WALLS DEFINING A MOLD CAVITY, AN OPENING IN SAID MOLD SECTIONS, MEANS FOR INTRODUCING A TUBE OF PLASTIC MATERIAL THROUGH SAID OPENING INTO SAID MOLD CAVITY, MEANS FOR SUPPLYING AIR CONTINUOUSLY INTO SAID TUBE AT SAID OPENING TO BLOW SAID TUBE AGAINST SAID INNER MOLD WALLS TO FORM AN ARTICLE, ONE OF SAID MOLD SECTIONS HAVING A BORE THEREIN AT A LOCATION REMOVED FROM SAID OPENING, A POINTED HOLLOW NEEDLE FOR SERVING AS A RELIEF CONDUIT MOVABLY POSITIONED IN SAID BORE, AND OPERATING MEANS ATTACHED TO SAID NEEDLE FOR DRIVING SAID NEEDLE THROUGH SAID ARTICLE AND INTO SAID MOLD CAVITY FOR DRAWING AIR FROM WITHIN SAID ARTICLE TO COOL SAID ARTICLE AND SAID MOLD SECTIONS.
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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |