US2824573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gage protector valve
Assignee: AMERICAN ASSOCIATES Inc
•
Filing: 1955-01-04
•
Granted: 1958-02-25
•
Expires: 1975-01-04
Abstract
No abstract record available.
Inventors
- 👤 Mason Walker
- 👤 Stephen J Biello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:49
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/0007; F; F16; F16L; F16L55/00; F16L55/04; F16L55/043; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7796; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7853
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1143639A
Cited
US1622843A
Cited
US1941613A
Cited
US2353191A
Cited
GB601752A
Cited
US2498366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |