US2312430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump piston packing
Assignee: FMC Corp
•
Filing: 1941-10-09
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Granted: 1943-03-02
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Expires: 1961-10-09
Abstract
No abstract record available.
Inventors
- 👤 Roy M Magnuson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:32
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/184; F16J15/185; F16J15/186; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B53/164; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956
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) | 1946-03-01 | 1946-08-31 | 1947-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-01 | 1950-08-31 | 1951-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-01 | 1954-08-31 | 1955-03-02 | $7700.00 | Window Closed / Lapsed |