US2854031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic tubing
Assignee: Individual
•
Filing: 1954-01-26
•
Granted: 1958-09-30
•
Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Donaldson Chase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:31
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/16; B; B29; B29C; B29C53/00; B29C53/56; B29C53/562; B29C53/58; B29C53/581; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/088; B29K; B29K2035/00; B29K2063/00; B29K2067/00; B29K2067/06; B29K2711/00; B29K2711/12; B29K2711/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US637636A
Cited
US1269140A
Cited
US2456923A
Cited
US2637674A
Cited
US2552599A
Cited
US2653887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |