US3409224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible drinking tube
Assignee: Union Carbide Corp
•
Filing: 1967-03-13
•
Granted: 1968-11-05
•
Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Harry J Harp
- 👤 Walter T Leible
- 👤 William M Mccort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:29
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/30; A; A47; A47G; A47G21/00; A47G21/18; A47G21/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2094268A
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US2299520A
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US2616129A
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US2550797A
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US3168604A
Cited
US3025004A
Cited
US3326695A
Cited
US3346187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |