US2808967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved flexible hollow article
Assignee: Individual
•
Filing: 1956-02-07
•
Granted: 1957-10-08
•
Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Miller Theodore Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:30
CPC Classifications
B; B29; B29D; B29D22/00; A; A61; A61M; A61M3/00; A61M3/02; A61M3/0233; A61M3/0254; A61M3/0262; B29C; B29C39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1273478A
Cited
US2297994A
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US2550132A
Cited
US2477899A
Cited
US2569869A
Cited
US2629134A
Cited
US2729505A
Cited
US2690181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |