US2760367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine cooling system testing device
Assignee: Individual
•
Filing: 1954-05-14
•
Granted: 1956-08-28
•
Expires: 1974-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph O Stromberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:08
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/025; G01M13/00; Y; Y10; Y10S; Y10S220/00; Y10S220/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1004986A
Cited
US1337132A
Cited
US1335073A
Cited
US1503411A
Cited
US1613217A
Cited
US2007100A
Cited
US2225964A
Cited
US2446219A
Cited
US2465895A
Cited
US2596070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |