US2859765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling valve for suspensions
Assignee: Individual
•
Filing: 1955-11-18
•
Granted: 1958-11-11
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 William R Streed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:54
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20; G01N1/2035; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663736A
Cited
GB191121236A
Cited
US1153343A
Cited
US1175203A
Cited
US1394657A
Cited
US1899154A
Cited
US1829120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |