US2801133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle nozzle
Assignee: BLASTCRETE EQUIPMENT Co Inc
•
Filing: 1953-07-31
•
Granted: 1957-07-30
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Ian M Ridley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:03
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1481; B05B7/149; B28; B28C; B28C5/00; B28C5/02; B28C5/026; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |