US2400255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric resistance elements and the like
Assignee: Huntington Alloys Corp
•
Filing: 1942-05-15
•
Granted: 1946-05-14
•
Expires: 1962-05-15
Abstract
No abstract record available.
Inventors
- 👤 Pfeil Leonard Bessemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:20
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02; C23C18/12; C23C30/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12729; Y10T428/12771; Y10T428/12861; Y10T428/12944; Y10T428/12951
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) | 1949-05-13 | 1949-11-12 | 1950-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-13 | 1953-11-12 | 1954-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-13 | 1957-11-12 | 1958-05-14 | $7700.00 | Window Closed / Lapsed |