US2709856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying apparatus for wound filamentary packages
Assignee: Akzo Nobel UK PLC
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Filing: 1952-12-03
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Granted: 1955-06-07
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Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Hunter
- 👤 John E Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:38
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/001; F26B13/003; F26B3/00; F26B3/32; F26B3/34; F26B3/347; Y; Y10; Y10S; Y10S53/00; Y10S53/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |