US2677381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray blast cleaning cabinet
Assignee: SPRAY BLAST CORP
•
Filing: 1950-05-25
•
Granted: 1954-05-04
•
Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 John L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:30
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US164274A
Cited
US1352867A
Cited
US1438834A
Cited
US1713691A
Cited
US1760779A
Cited
AU506731A
Cited
US2155464A
Cited
US2307254A
Cited
US2309251A
Cited
US2440619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |