Patent US2434477A successfully refreshed from Google Patents.
US2434477A
Expired / Lapsed
US
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Manufacture of moulded articles having differently shaded zones therein from moulding powders
Assignee: MESSRS HORNFLOWA Ltd
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Filing: 1944-06-27
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Granted: 1948-01-13
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Expires: 1964-06-27
Abstract
No abstract record available.
Inventors
- 👤 Winter Hugo Adolf Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:49
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/006; B29K; B29K2105/00; B29K2105/25; B29K2105/251
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US229492A
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US1454939A
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US1599084A
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US2101540A
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US2169665A
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US2244565A
Cited
US2208494A
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US2185492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |