Patent US2687554A successfully refreshed from Google Patents.
US2687554A
Expired / Lapsed
US
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Apparatus for molding tread members to shoe uppers
Assignee: United Shoe Machinery Corp
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Filing: 1951-05-22
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Granted: 1954-08-31
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Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:39
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US774865A
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US821336A
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US1764857A
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US2163184A
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US2144582A
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US2241028A
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US2330989A
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US2499565A
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US2519107A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |