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Patent US2350851A successfully refreshed from Google Patents.
US2350851A
Expired / Lapsed
US
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Polyamide articles
Assignee: Individual
•
Filing: 1941-01-18
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Granted: 1944-06-06
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Expires: 1961-01-18
Abstract
No abstract record available.
Inventors
- 👤 Wehr Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:39
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; B29C48/00; B29C48/001; B29C48/0022; B29C48/022; B29C2793/00; B29C2793/0063; B29C48/03; B29C48/05; B29C48/06; B29C48/07; B29C48/08; B29C48/09; B29K; B29K2077/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-06 | 1947-12-06 | 1948-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-06 | 1951-12-06 | 1952-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-06 | 1955-12-06 | 1956-06-06 | $7700.00 | Window Closed / Lapsed |