US2548076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-water bottle heating element
Assignee: Individual
•
Filing: 1949-09-30
•
Granted: 1951-04-10
•
Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Strezoff Bogoia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:30
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0038; A47J41/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1133346A
Cited
US1400646A
Cited
US1406900A
Cited
US1975329A
Cited
US2032294A
Cited
US2339409A
Cited
US2467447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |