US2932719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistance mats
Assignee: M H GODDEN (CHELTENHAM) Ltd
•
Filing: 1955-07-14
•
Granted: 1960-04-12
•
Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Godden Marguerita Helena
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:12
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/16; H05B3/20; H05B3/34; H05B3/342; H05B3/347; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/005; H05B2203/014; H05B2203/015; H05B2203/017
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US748309A
Cited
US1456223A
Cited
US1553461A
Cited
US2381218A
Cited
US2433239A
Cited
US2582342A
Cited
US2503457A
Cited
US2572695A
Cited
US2678993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |