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US3510912A
Expired / Lapsed
US
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Mold assemblies for shoe soles
Assignee: Emhart Enterprises Corp
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Filing: 1968-07-19
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Granted: 1970-05-12
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Expires: 1988-07-19
Abstract
No abstract record available.
Inventors
- 👤 Robert F Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:06
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1673505A
Cited
US2203543A
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US2878523A
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US2985920A
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US3109701A
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US3315317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |