US2313864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric bed warmer
Assignee: Individual
•
Filing: 1940-08-02
•
Granted: 1943-03-16
•
Expires: 1960-08-02
Abstract
No abstract record available.
Inventors
- 👤 George W Crise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:15
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/04; A47C21/048; H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B2203/00; H05B2203/002; H05B2203/004; H05B2203/014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-03-15 | 1946-09-14 | 1947-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-15 | 1950-09-14 | 1951-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-15 | 1954-09-14 | 1955-03-16 | $7700.00 | Window Closed / Lapsed |