US2639486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable thread advancing roll
Assignee: Akzo Nobel UK PLC
•
Filing: 1948-03-17
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Granted: 1953-05-26
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Expires: 1968-03-17
Abstract
No abstract record available.
Inventors
- 👤 Henry J Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:34
CPC Classifications
B; B65; B65H; B65H51/00; B65H51/02; B65H51/04; B65H51/08; B65H51/12; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2034657A
Cited
US2074022A
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US2129284A
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US2136556A
Cited
US2155324A
Cited
US2284399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |