US3295159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of hollow objects
Assignee: Individual
•
Filing: 1963-07-24
•
Granted: 1967-01-03
•
Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Fischer Stefan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A DEVICE FOR THE BLOW-MOLDING OF HOLLOW OBJECTS COMPRISING, A PAIR OF FACING MOLD PARTS HAVING COMPLEMENTARY CAVITIES ON THEIR FACING SIDES AND MOUNTED FOR MOVEMENT INTO AND OUT OF FACING SPACED RELATION WITH EACH OTHER FOR RECEIVING A PARISON BETWEEN SAID MOLD PARTS TO BE EXPANDED INTO SAID CAVITIES, CUTTING EDGES PROJECTING FROM THE FACING SIDES OF SAID MOLD PARTS CONFORMABLY BOUNDING SAID CAVITIES AND MOVABLE WITH SAID MOLD PARTS INTO CUTTING ENGAGEMENT WITH EACH OTHER FOR SEVERING THE SURPLUS PARISON MATERIAL EXTERNALLY OF SAID CAVITIES FROM THE BLOWN MATERIAL IN SAID CAVITIES, SAID MOLD PARTS MEETING AT THEIR RESPECTIVE CUTTING EDGE THUS LEAVING A SPACE BETWEEN SAID MOLD PARTS EXTERNAL OF THE CAVITIES, AND A PLURALITY OF APERTURED PLATES ON OPPOSITE FACING SIDES OF SAID MOLD PARTS ENCIRCLING SAID CAVITIES AND MOUNTED FOR MOVEMENT TRANSVERSELY TO THE DIRECTION OF THE MOVEMENT OF SAID MOLD PARTS INTO AND OUT OF THE SAID MOVEBETWEEN SAID MOLD PARTS EXTERNALLY OF SAID CUTTING EDGES, FOR REMOVING THE SURPLUS PARISON MATERIAL FROM BETWEEN SAID MOLD PARTS.
Claim 2
Independent Claim
173 words
A DEVICE FOR THE BLOW-MOLDING OF HOLLOW OBJECTS COMPRISING, A PAIR OF FACING MOLD PARTS HAVING COMPLEMENTARY CAVITIES ON THEIR FACING SIDES AND MOUNTED FOR MOVEMENT INTO AND OUT OF FACING SPACED RELATION WITH EACH OTHER FOR RECEIVING A PARISON BETWEEN SAID MOLD PARTS TO BE EXPANDED INTO SAID CAVITIES, CUTTING EDGES PROJECTING FROM THE FACING SIDES OF SAID MOLD PARTS CONFORMABLY BOUNDING SAID CAVITIES AND MOVABLE WITH SAID MOLD PARTS INTO CUTTING ENGAGEMENT WITH EACH OTHER FOR SEVERING THE SURPLUS PARISON MATERIAL EXTERNALLY OF SAID CAVITIES FROM THE BLOWN MATERIAL IN SAID CAVITIES, SAID MOLD PARTS MEETING AT THEIR RESPECTIVE CUTTING EDGE THUS LEAVING A SPACE BETWEEN SAID MOLD PARTS EXTERNAL OF THE CAVITIES, AND A PLURALITY OF APERTURED PLATES ON OPPOSITE FACING SIDES OF SAID MOLD PARTS ENCIRCLING SAID CAVITIES AND MOUNTED FOR MOVEMENT TRANSVERSELY TO THE DIRECTION OF THE MOVEMENT OF SAID MOLD PARTS INTO AND OUT OF THE SAID MOVEBETWEEN SAID MOLD PARTS EXTERNALLY OF SAID CUTTING EDGES, FOR REMOVING THE SURPLUS PARISON MATERIAL FROM BETWEEN SAID MOLD PARTS.
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |