Patent US4444335A successfully refreshed from Google Patents.
Patent US2332826A successfully refreshed from Google Patents.
US2332826A
Expired / Lapsed
US
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Method of fabricating flexible spools
Assignee: Industrial Rayon Corp
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Filing: 1942-01-29
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Granted: 1943-10-26
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Expires: 1962-01-29
Abstract
No abstract record available.
Inventors
- 👤 Louis S Fryer
- 👤 Wayne J Jokilehto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/02; B65; B65H; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-25 | 1947-04-26 | 1947-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-25 | 1951-04-26 | 1951-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-25 | 1955-04-26 | 1955-10-26 | $7700.00 | Window Closed / Lapsed |