US2381948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Brown Instruments Co
•
Filing: 1942-01-29
•
Granted: 1945-08-14
•
Expires: 1962-01-29
Abstract
No abstract record available.
Inventors
- 👤 Gess Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:35
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/37; G01F1/375; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/2278; Y10T137/2409; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/7722; Y10T137/7758; Y10T137/7759
Claims Analysis
Total Claims: 0
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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) | 1948-08-13 | 1949-02-12 | 1949-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-13 | 1953-02-12 | 1953-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-13 | 1957-02-12 | 1957-08-14 | $7700.00 | Window Closed / Lapsed |