US3403423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct molding of heels to soled shoe bottoms
Assignee: United Shoe Machinery Corp
•
Filing: 1966-06-07
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Granted: 1968-10-01
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Expires: 1986-06-07
Abstract
No abstract record available.
Inventors
- 👤 Philip E Mcmorrow
- 👤 Jr Ralph E Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:45
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018; Y; Y10; Y10S; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A MOLD ASSEMBLY FOR INJECTION MOLDING OF HEELS ONTO SOLED SHOE UPPERS, SAID ASSEMBLY COMPRISING A BOTTOM MOLD MEMBER FORMING THE BOTTOM OF A MOLD CAVITY, AT LEAST ONE SIDE MOLD MEMBER ADJACENT SAID BOTTOM MOLD MEMBER AND FORMING ALL OF THE SIDE OF THE MOLD CAVITY EXCEPT FOR AT LEAST A PORTION OF A HEEL BREAST SIDE, A FOOTFORM CARRYING A LASTED AND SOLED UPPER ENGAGEABLE WITH THE SIDE MOLD MEMBER FOR FORMING THE TOP OF THE MOLD CAVITY, AND A YIELDABLE MOLD MEMBER FORMING AT LEAST A PORTION OF THE HEEL BREAST SIDE OF THE MOLD CAVITY
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |