US3531086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle valve with resilient tip
Assignee: IND ELECTRONIC RUBBER CO
•
Filing: 1968-09-17
•
Granted: 1970-09-29
•
Expires: 1988-09-17
Abstract
No abstract record available.
Inventors
- 👤 James P Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2414577A
Cited
US2516947A
Cited
US2782801A
Cited
US2925994A
Cited
US3131906A
Cited
US3236496A
Cited
US3381351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |