US2519109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control of power for heated enclosures
Assignee: ThyssenKrupp Budd Co
•
Filing: 1946-08-22
•
Granted: 1950-08-15
•
Expires: 1966-08-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Callender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1146879A
Cited
US1583496A
Cited
US1771273A
Cited
US1730254A
Cited
US1868232A
Cited
US2080797A
Cited
US2102487A
Cited
US2030945A
Cited
US2079466A
Cited
US2168680A
Cited
US2257471A
Cited
US2205164A
Cited
US2272492A
Cited
US2269566A
Cited
US2298847A
Cited
US2272769A
Cited
US2298181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |