US2427375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathtub construction
Assignee: OTTO BUEHNER
•
Filing: 1944-04-26
•
Granted: 1947-09-16
•
Expires: 1964-04-26
Abstract
No abstract record available.
Inventors
- 👤 Charles G Walker
- 👤 Harry S Gustafson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:12
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/02; A47K3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US95633A
Cited
GB190827525A
Cited
GB251289A
Cited
US2087183A
Cited
US2102082A
Cited
US2094782A
Cited
US2333491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-15 | 1951-03-17 | 1951-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-15 | 1955-03-17 | 1955-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-15 | 1959-03-17 | 1959-09-16 | $7700.00 | Window Closed / Lapsed |