US2714894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer from auxiliary to automatic control in pressure-actuated systems
Assignee: Leeds and Northrup Co
•
Filing: 1952-06-20
•
Granted: 1955-08-09
•
Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:31
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/08; G01L19/12; Y; Y10; Y10S; Y10S137/00; Y10S137/90; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2529
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |