US2869312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn heating apparatus
Assignee: Akzona Inc
•
Filing: 1956-01-30
•
Granted: 1959-01-20
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Pieter Van Dijk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:14
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/001; D; D01; D01D; D01D10/00; D01D10/02; D01D10/04; D01D10/0436; D01D10/0481; D01D5/00; D01D5/22; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266; D02J; D02J13/00; D02J13/003; D06; D06M; D06M13/00; D06M13/52; D06M13/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US923425A
Cited
US2204603A
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US2520532A
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US2345032A
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US2440159A
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US2462607A
Cited
US2673385A
Cited
US2717302A
Cited
US2761272A
Cited
US2803105A
Cited
US2793277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |