US3445089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve element with molded resilient tip
Assignee: IND ELECTRONIC RUBBER CO
•
Filing: 1965-12-08
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Granted: 1969-05-20
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Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Myles N Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:23
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14426; F16K1/34; F16K1/36; F16K1/38; F16K1/385; B29L; B29L2031/00; B29L2031/748; B29L2031/7506
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191504713A
Cited
US1886721A
Cited
US2194961A
Cited
US3027134A
Cited
US3191212A
Cited
US3326520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |