Patent US2233543A successfully refreshed from Google Patents.
US2233543A
Expired / Lapsed
US
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Machine for beading dipped rubber articles
Assignee: Frank B Kilian & Co
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Filing: 1939-10-20
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Granted: 1941-03-04
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Expires: 1959-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick John Maywald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:23
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/32; B29C41/00; B29C41/02; B29C41/14; B29K; B29K2021/00; B29L; B29L2022/00; B29L2022/02; B29L2022/022; B29L2031/00; B29L2031/52; B29L2031/5209; B29L2031/5218
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) | 1944-03-03 | 1944-09-02 | 1945-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-03 | 1948-09-02 | 1949-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-03 | 1952-09-02 | 1953-03-04 | $7700.00 | Window Closed / Lapsed |