US1823155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheath for electric warming pads
Assignee: Individual
•
Filing: 1927-12-09
•
Granted: 1931-09-15
•
Expires: 1947-12-09
Abstract
No abstract record available.
Inventors
- 👤 Michael W Mcardle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/014
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1934-09-14 | 1935-03-16 | 1935-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-14 | 1939-03-16 | 1939-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-14 | 1943-03-16 | 1943-09-15 | $7700.00 | Window Closed / Lapsed |