US2498540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing thread in the form of a package
Assignee: Industrial Rayon Corp
•
Filing: 1946-07-17
•
Granted: 1950-02-21
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Louis S Fryer
- 👤 Per J E Andersson
- 👤 Wayne J Jokilehto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US329483A
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US832472A
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US1052817A
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US1151916A
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US1507839A
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USRE20229E
Cited
US2089962A
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US2260755A
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US2321546A
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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) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |