Patent US2800111A successfully refreshed from Google Patents.
US2800111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surge relief and by-pass valve
Assignee: Cleveland Pneumatic Tool Co
•
Filing: 1956-01-04
•
Granted: 1957-07-23
•
Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Murray E Schnurr
- 👤 Clifford E Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:55
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B11/22; B; B64; B64C; B64C13/00; B64C13/24; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/7722; Y10T137/7837
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2069214A
Cited
US2454551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |