US3036656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise suppressor for pressure reducing valves
Assignee: Individual
•
Filing: 1959-08-24
•
Granted: 1962-05-29
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Henry W Angelery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:13
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US821828A
Cited
US822127A
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US992839A
Cited
US1949074A
Cited
US2025271A
Cited
US2329101A
Cited
GB771759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |