US2419801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathtub construction
Assignee: Crane Co
•
Filing: 1944-05-15
•
Granted: 1947-04-29
•
Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Frank P Uphues
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:21
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/02; A47K3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US80441A
Cited
US217635A
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US462124A
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US557926A
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FR767592A
Cited
US993826A
Cited
US1116015A
Cited
US1159395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |