US2714024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for lubricating and sealing a stuffing box
Assignee: Pfaudler Inc
•
Filing: 1949-04-01
•
Granted: 1955-07-26
•
Expires: 1969-04-01
Abstract
No abstract record available.
Inventors
- 👤 Otto W Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/38; F16C; F16C33/00; F16C33/72; F16C33/74; F16K; F16K41/00; F16K41/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1293178A
Cited
US1786844A
Cited
US1855505A
Cited
US2291248A
Cited
US2427656A
Cited
US2418620A
Cited
US2517534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |