US2997058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plumbing fixture
Assignee: Individual
•
Filing: 1959-03-03
•
Granted: 1961-08-22
•
Expires: 1979-03-03
Abstract
No abstract record available.
Inventors
- 👤 Eddie R Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:27
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/021; E03C1/023; E03C1/04; E03C1/042; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/7722; Y10T137/7734; Y10T137/8593; Y10T137/87249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1653956A
Cited
US1790317A
Cited
US2791231A
Cited
US2795370A
Cited
US1639248A
Cited
US1649895A
Cited
US2022875A
Cited
US2663539A
Cited
US2846691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |