US2504506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathroom spray
Assignee: Individual
•
Filing: 1945-09-24
•
Granted: 1950-04-18
•
Expires: 1965-09-24
Abstract
No abstract record available.
Inventors
- 👤 Du-For Denis Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:30
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/02; B05B7/04; E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1476090A
Cited
US1664046A
Cited
US1885135A
Cited
US2225804A
Cited
US2292673A
Cited
US2361150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |