US3374504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold assembly with composite sole plate for double injection
Assignee: Individual
•
Filing: 1966-04-11
•
Granted: 1968-03-26
•
Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:47
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/08; B29D35/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A MOLD ASSEMBLY COMPRISING A SIDE RING AND A COMPOSITE SOLE PLATE, SAID PLATE EMBRODYING PARTS WHICH HAVE SURFACES CONFRONTING THE BOTTOM SAID SURFACES COLLECTIVELY CORRESPONDING IN AREA TO THE BOTTOM OF THE SHOE, AND SAID PARTS BEING RELATIVELY MOVABLE IN EACH OF TWO POSITIONS TO FORM WITH THE BOTTOM CAVITIES OF DIFFERENT DEPTH FOR RECEIVING A FIRST INJECTION OF AN ELASTOMER OF ONE KIND AND A SECOND INJECTION OF AN ELASTOMER OF ANOTHER KIND, IN ONE POSITION TO PLACE TWO OF THE SURFACES AT THE SAME DISTANCE FROM THE BOTTOM AND THE OTHER AT A DIFFERENT DISTANCE AND IN THE OTHER POSITION TO PLACE ONE OF THE TWO AND THE OTHER AT THE SAME DISTANCE FROM THE BOTTOM AND THE OTHER ONE OF THE TWO AT A DIFFERENT DISTANCE.
Claim 2
Dependent Claim
130 words
A MOLD ASSEMBLY COMPRISING A SIDE RING AND A COMPOSITE SOLE PLATE, SAID PLATE EMBRODYING PARTS WHICH HAVE SURFACES CONFRONTING THE BOTTOM SAID SURFACES COLLECTIVELY CORRESPONDING IN AREA TO THE BOTTOM OF THE SHOE, AND SAID PARTS BEING RELATIVELY MOVABLE IN EACH OF TWO POSITIONS TO FORM WITH THE BOTTOM CAVITIES OF DIFFERENT DEPTH FOR RECEIVING A FIRST INJECTION OF AN ELASTOMER OF ONE KIND AND A SECOND INJECTION OF AN ELASTOMER OF ANOTHER KIND, IN ONE POSITION TO PLACE TWO OF THE SURFACES AT THE SAME DISTANCE FROM THE BOTTOM AND THE OTHER AT A DIFFERENT DISTANCE AND IN THE OTHER POSITION TO PLACE ONE OF THE TWO AND THE OTHER AT THE SAME DISTANCE FROM THE BOTTOM AND THE OTHER ONE OF THE TWO AT A DIFFERENT DISTANCE.
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |