US2671579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible tube and protective jacket therefor
Assignee: Fyr Fyter Co
•
Filing: 1948-08-30
•
Granted: 1954-03-09
•
Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 James W Knoblock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:44
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/02; B65D35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801227A
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US1500159A
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US1714874A
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US2066947A
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US2129119A
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US2332414A
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US2337264A
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US2481857A
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US2476748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |