Patent US2601091A successfully refreshed from Google Patents.
US2601091A
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Elastomer stopper
Assignee: Bayer Corp
•
Filing: 1949-04-16
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Granted: 1952-06-17
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Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 William F Butler
- 👤 Thomas P Stafford
- 👤 Fred A Cutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:54
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/002; A; A61; A61J; A61J1/00; A61J1/14; A61J1/1475; A61J1/1487; A61J1/1468; A61J1/18; Y; Y10; Y10S; Y10S215/00; Y10S215/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1912084A
Cited
US2190054A
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US2256656A
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US2340419A
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US2421313A
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US2334905A
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US2314167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |