US2958387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silencer for compressible fluid devices
Assignee: Individual
•
Filing: 1955-09-29
•
Granted: 1960-11-01
•
Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Richard M Greff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:34
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/661; F04D29/663; F04D29/664
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US722567A
Cited
US869868A
Cited
US1115873A
Cited
US1941222A
Cited
US2081953A
Cited
US2089492A
Cited
US2073951A
Cited
US2177393A
Cited
US2270825A
Cited
US2273092A
Cited
US2363068A
Cited
US2543461A
Cited
US2785099A
Cited
US2674336A
Cited
US2741498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |