Patent US3504079A successfully refreshed from Google Patents.
US3504079A
Expired / Lapsed
US
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Process of forming molds and shoe soles in situ
Assignee: 3M Co
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Filing: 1968-03-28
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Granted: 1970-03-31
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Expires: 1988-03-28
Abstract
No abstract record available.
Inventors
- 👤 Myron W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:44
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0054; B29D35/0063; B29C; B29C33/00; B29C33/0038; B29C33/0044; B29C33/38; B29C33/40; B29C33/405; B29C33/44; B29C33/48; B29C33/50; B29C39/00; B29C39/02; B29C70/00; B29C70/68; B29C70/74; B29D35/06; B29K; B29K2875/00; B29K2995/00; B29K2995/0037; B29K2995/0046; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125617A
Cited
US2401760A
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US2621166A
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US2894288A
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US3002230A
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US3018517A
Cited
US3248454A
Cited
US3121431A
Cited
US3428725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |