US2696799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swabbing fluid restrictor
Assignee: Clifton Conduit Co Inc
•
Filing: 1950-10-05
•
Granted: 1954-12-14
•
Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 William S Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:53
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/16; C23C2/18; C23C2/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US227398A
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US330443A
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US577647A
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GB189620532A
Cited
US944710A
Cited
US956668A
Cited
US1851435A
Cited
US1814752A
Cited
US2263774A
Cited
US2275190A
Cited
US2484267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |