Patent US2593734A successfully refreshed from Google Patents.
US2593734A
Expired / Lapsed
US
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Plumbing trap and the like
Assignee: Individual
•
Filing: 1947-04-25
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Granted: 1952-04-22
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Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Davis Lou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:41
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/284; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4576; Y10T137/4606; Y10T137/4613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US245011A
Cited
US395907A
Cited
CH43866A
Cited
FR602347A
Cited
US1773693A
Cited
FR823482A
Cited
US2241005A
Cited
GB559173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |