Patent US2409283A successfully refreshed from Google Patents.
US2409283A
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Coupling for plastic tubes
Assignee: Individual
•
Filing: 1943-04-21
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Granted: 1946-10-15
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Expires: 1963-04-21
Abstract
No abstract record available.
Inventors
- 👤 James L Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:10
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/56; B29C65/561; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/5223; B29C66/52231; B29C66/5224; B29C66/52241; B29C66/5229; B29C66/52291; B29C66/52292; B29C66/52293; B29C66/52298; B29C66/63; B29C66/636; B29C65/52; B29C65/54; B29C65/548; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10S285/919
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) | 1949-10-14 | 1950-04-15 | 1950-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-14 | 1954-04-15 | 1954-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-14 | 1958-04-15 | 1958-10-15 | $7700.00 | Window Closed / Lapsed |