US2452122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for testing materials
Assignee: Honeywell International Inc
•
Filing: 1943-11-15
•
Granted: 1948-10-26
•
Expires: 1963-11-15
Abstract
No abstract record available.
Inventors
- 👤 Percy W Gumaer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/85; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509; Y10T137/4456; Y10T137/4643; Y10T137/8593; Y10T137/87249
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |