US2954047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for damping water shocks in pipelines
Assignee: Sigma Lutin
•
Filing: 1958-03-27
•
Granted: 1960-09-27
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Faltjsek Otto
- 👤 Syrucek Stanislav
- 👤 Sperlin Miroslav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:57
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F16L55/055; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/8158; Y10T137/8225; Y10T137/8275
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |