US2584715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pop-type safety valve
Assignee: McDonnell and Miller Inc
•
Filing: 1945-09-07
•
Granted: 1952-02-05
•
Expires: 1965-09-07
Abstract
No abstract record available.
Inventors
- 👤 Leo J Kmiecik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/08; F16K17/082; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7837; Y10T137/7876
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US272634A
Cited
US281369A
Cited
US404684A
Cited
US408418A
Cited
US446757A
Cited
US461149A
Cited
US1164990A
Cited
US1355149A
Cited
US1332886A
Cited
US1668075A
Cited
US1598487A
Cited
GB254224A
Cited
US2264656A
Cited
US2364812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |