US3495615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Debrisless tap valve
Assignee: Sealed Unit Parts Co Inc
•
Filing: 1967-07-27
•
Granted: 1970-02-17
•
Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Henry Ehrens
- 👤 Sidney Weiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:55
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06; F16L41/065; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1414357A
Cited
US1392411A
Cited
GB138041A
Cited
US2147332A
Cited
US2608989A
Cited
US2827913A
Cited
US3001545A
Cited
US3162211A
Cited
US3222027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |