US3233416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blow molding system with vortex tube
Assignee: Individual
•
Filing: 1964-02-10
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Granted: 1966-02-08
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jewel G Rainwater
- 👤 Richard F Eichacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:37
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/58; B29C49/02; B29C49/04; B29C49/64; B29C49/66; B29C35/00; B29C35/16; B29C2035/1658; B29C49/6604; B29C2049/6606; B29C2049/6607; B29C2049/6615; B29C33/00; B29C33/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A BLOW MOLDING SYSTEM COMPRISING A MOLD HAVING A BODY WITH A MOLD CAVITY DEFINED THEREIN, MEANS TO INTRODUCE A SUBSTANCE INTO THE MOLD CAVITY OF THE KIND THAT CAN BE EXPANDED AGAINST THE CAVITY WALL BY BLOWING AIR, A SOURCE OF HIGH PRESSURE AIR, A VORTEX TUBE FOR SEPARATING THE AIR INTO HOT AND COLD FRACTIONS, MEANS FOR CONVEYING THE COLD FRACTION OF AIR TO THE MOLD CAVITY FOR
Claim 2
Dependent Claim
70 words
A BLOW MOLDING SYSTEM COMPRISING A MOLD HAVING A BODY WITH A MOLD CAVITY DEFINED THEREIN, MEANS TO INTRODUCE A SUBSTANCE INTO THE MOLD CAVITY OF THE KIND THAT CAN BE EXPANDED AGAINST THE CAVITY WALL BY BLOWING AIR, A SOURCE OF HIGH PRESSURE AIR, A VORTEX TUBE FOR SEPARATING THE AIR INTO HOT AND COLD FRACTIONS, MEANS FOR CONVEYING THE COLD FRACTION OF AIR TO THE MOLD CAVITY FOR
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |