US2810918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiping ferrule
Assignee: Zurn Industries LLC
•
Filing: 1953-12-21
•
Granted: 1957-10-29
•
Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Albert A Baker
- 👤 Jr Harry L Rhoades
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:09
CPC Classifications
E; E03; E03D; E03D11/00; E03D11/13; E03D11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1067533A
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US1545839A
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US1901897A
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US2147254A
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US2096240A
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US2083091A
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US2208199A
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FR988194A
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US2666211A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |