US2579667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction valve for reciprocating compressors
Assignee: Carrier Corp
•
Filing: 1946-09-10
•
Granted: 1951-12-25
•
Expires: 1966-09-10
Abstract
No abstract record available.
Inventors
- 👤 Hanson Lars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:49
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F04B39/1033; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; F16K15/14; F16K15/144; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7841; Y10T137/7879; Y10T137/7888
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE178250C
Cited
US1322273A
Cited
US1297296A
Cited
FR493059A
Cited
US1376484A
Cited
US1651235A
Cited
US1669424A
Cited
US1688185A
Cited
US1688027A
Cited
US2187931A
Cited
FR859131A
Cited
US2372938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |