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US2441905A
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US
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Manufacture of seamless hollow articles from natural or synthetic rubber
Assignee: MERIDIONALE DU CAOUTCHOUC SOME
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Filing: 1945-07-11
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Granted: 1948-05-18
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Expires: 1965-07-11
Abstract
No abstract record available.
Inventors
- 👤 Saint-Mleux Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/38; B29C41/02; B29C41/14; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554697A
Cited
US1697438A
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US2001594A
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US2198621A
Cited
US2285502A
Cited
US2345977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |