Patent US2683572A successfully refreshed from Google Patents.
US2683572A
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Plastic rim spool and the method of producing the same
Assignee: Coats and Clark Inc
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Filing: 1951-02-28
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Granted: 1954-07-13
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Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:37
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/16; B29C45/1671; B29D; B29D99/00; B29D99/0032; B29D99/0035; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B29L; B29L2031/00; B29L2031/32; B29L2031/324; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/512; B65H2701/5122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1981771A
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US2086939A
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US2190085A
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US2266129A
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US2264116A
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US2304461A
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US2344665A
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US2470089A
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US2453247A
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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) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |