US2256159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber hydrochloride sipper
Assignee: Wingfoot Corp
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Filing: 1939-11-09
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Granted: 1941-09-16
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Expires: 1959-11-09
Abstract
No abstract record available.
Inventors
- 👤 Foster J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:59
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; A; A47; A47G; A47G21/00; A47G21/18; B29C; B29C53/00; B29C53/32; B29C53/36; B29C53/38; B29C53/40; B29K; B29K2021/00; B29L; B29L2009/00; B29L2023/00; B29L2023/008; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038
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) | 1944-09-15 | 1945-03-17 | 1945-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-15 | 1949-03-17 | 1949-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-15 | 1953-03-17 | 1953-09-16 | $7700.00 | Window Closed / Lapsed |