US2685745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying tubing
Assignee: Visking Corp
•
Filing: 1949-02-02
•
Granted: 1954-08-10
•
Expires: 1969-02-02
Abstract
No abstract record available.
Inventors
- 👤 Sidney J Wakefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:18
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/006; F26B21/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1967773A
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DE656681C
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GB540830A
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GB540829A
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US2397615A
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US2402609A
Cited
US2405037A
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US2492187A
Cited
US2485609A
Cited
US2546004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |