US2504646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible bathtub
Assignee: Individual
•
Filing: 1946-03-05
•
Granted: 1950-04-18
•
Expires: 1966-03-05
Abstract
No abstract record available.
Inventors
- 👤 Burrow Mary Brunettie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/0005; A47; A47K; A47K3/00; A47K3/02; A47K3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US568811A
Cited
US573625A
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US755747A
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US736089A
Cited
US957892A
Cited
US1279944A
Cited
US1451437A
Cited
US1738411A
Cited
US2084236A
Cited
US2329326A
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 |