US2114762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning device for indicating overheated journals
Assignee: JAMES DUNNING
•
Filing: 1937-05-27
•
Granted: 1938-04-19
•
Expires: 1957-05-27
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:29
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/04; Y; Y10; Y10S; Y10S116/00; Y10S116/38; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1812
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) | 1941-04-18 | 1941-10-18 | 1942-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-18 | 1945-10-18 | 1946-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-18 | 1949-10-18 | 1950-04-19 | $7700.00 | Window Closed / Lapsed |