Patent US2623496A successfully refreshed from Google Patents.
US2623496A
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Machine for processing synthetic threads
Assignee: Max Pollack & Co Inc
•
Filing: 1949-06-02
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Granted: 1952-12-30
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Expires: 1969-06-02
Abstract
No abstract record available.
Inventors
- 👤 Walter D Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; D01; D01D; D01D10/00; D01D10/02; D01D10/04; D01D10/0436; Y; Y10; Y10S; Y10S118/00; Y10S118/20
Claims Analysis
Total Claims: 0
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US2077492A
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US2462474A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |