US3577291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for continuously molding bottle from thermoplastic resin,charging and sealing
Assignee: Individual
•
Filing: 1969-01-23
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Granted: 1971-05-04
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Expires: 1989-01-23
Abstract
Abstract A HOLLOW PLASTIC TUBE IS MOLDED OF THEMOPLASTI RESIN. THE TUBE IS TRANSFERRED TO A SPLIT METAL MOLD AND MOLDED THEREIN INTO THE FORM OF A BOTTLE OR CONTAINER. THE BOTTLE OR CONTAINER, WHILE STILL WITHIN THE SPLIT METAL MOLD, IS CHECKED FOR PINHOLES AND/OR OTHER CRACK DEFECTS BY FEED- ING COMPRESSED AIR INTO THE BOTTLE. THOSE BOTTLES OR CONTAINERS FOUND TO BE NON-DEFECTIVE ARE SELECTED, CHARGED, SEALED AND PACKAGED.
Inventors
- 👤 Masaaki Uchida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:34
CPC Classifications
B; B67; B67C; B67C7/00; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/335; B29C48/36; B29C48/50; B29C48/695; B29C49/00; B29C49/02; B29C49/04; B29C49/06; B29C49/061; B29C49/062; B29C49/063; B29C49/42; B29C49/58; B29C49/78; B29C49/80; B65; B65B; B65B3/00; B65B3/02; B65B3/022; B29C2049/023; B29C48/03; B29C48/09; B29C48/10; B29C48/345; B29C49/4273; B29C49/428; B29C49/42802; B29C49/42808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |