US2668329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of rubber products having an annular rim such as vaginal diaphragms
Assignee: LATEX IND Ltd
•
Filing: 1949-06-24
•
Granted: 1954-02-09
•
Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Landau Lucian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:53
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14631
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1939894A
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US1978985A
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US2064435A
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US2279208A
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US2294589A
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US2252758A
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US2361348A
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US2321340A
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US2422266A
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US2452752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |