US3047986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive blasting apparatus
Assignee: THOS SOMERVILLE CO
•
Filing: 1961-09-01
•
Granted: 1962-08-07
•
Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Mckulla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:58
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/12; B24C5/00; B24C5/02; B24C9/00
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |