Patent US4680618A successfully refreshed from Google Patents.
Patent US3174181A successfully refreshed from Google Patents.
US3174181A
Expired / Lapsed
US
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Multi-part blow mold for manufacturing hollow bodies from thermoplastics
Assignee: Individual
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Filing: 1963-03-01
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Granted: 1965-03-23
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Langecker Erhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:46
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/70; B29C33/00; B29C49/48; B29C49/50; Y; Y10; Y10S; Y10S425/00; Y10S425/051; Y10S425/806; Y10T; Y10T225/00; Y10T225/30; Y10T225/329
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A MOLD COMPRISING A PLURALITY OF SEPARABLE MOLD SECTIONS, A FIRST PIN DISPOSED ADJACENT A JOINT BETWEEN A PAIR OF ADJACENT MOLD SECTIONS, MEANS FOR MOVING SAID FIRST PIN IN A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF ONE OF THE MOLD SECTIONS UPON OPENING THE MOLD, A SECOND PIN DISPOSED ADJACENT SAID JOINT, MEANS FOR MOVING SAID SECOND PIN ON A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF SAID FIRST PIN UPON SAID OPENING OF THE MOLD, THE PINS BEING LATERALLY OFFSET FROM EACH OTHER, THE PINS BEING MOVABLE FROM POSITION IN WHICH THEY DO NOT OVERLIE EACH OTHER LATERALLY WHEN THE MOLD IS CLOSED TO POSITIONS IN WHICH THEY OVERLIE EACH OTHER LATERALLY WHEN THE MOLD IS OPEN.
Claim 2
Dependent Claim
122 words
A MOLD COMPRISING A PLURALITY OF SEPARABLE MOLD SECTIONS, A FIRST PIN DISPOSED ADJACENT A JOINT BETWEEN A PAIR OF ADJACENT MOLD SECTIONS, MEANS FOR MOVING SAID FIRST PIN IN A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF ONE OF THE MOLD SECTIONS UPON OPENING THE MOLD, A SECOND PIN DISPOSED ADJACENT SAID JOINT, MEANS FOR MOVING SAID SECOND PIN ON A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF SAID FIRST PIN UPON SAID OPENING OF THE MOLD, THE PINS BEING LATERALLY OFFSET FROM EACH OTHER, THE PINS BEING MOVABLE FROM POSITION IN WHICH THEY DO NOT OVERLIE EACH OTHER LATERALLY WHEN THE MOLD IS CLOSED TO POSITIONS IN WHICH THEY OVERLIE EACH OTHER LATERALLY WHEN THE MOLD IS OPEN.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |