Patent US2888138A successfully refreshed from Google Patents.
US2888138A
Expired / Lapsed
US
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Drain cup and support therefor
Assignee: Zurn Industries LLC
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Filing: 1954-12-16
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Granted: 1959-05-26
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Expires: 1974-12-16
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
2026-11-01 13:07
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/0404; E04D13/0409; E04D2013/0413; E04D2013/0436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1253406A
Cited
US1828601A
Cited
US1918509A
Cited
US1991772A
Cited
US2765865A
Cited
US2740490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |