US2790276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory sanding tool
Assignee: Weller Electric Corp
•
Filing: 1955-08-31
•
Granted: 1957-04-30
•
Expires: 1975-08-31
Abstract
No abstract record available.
Inventors
- 👤 Acopian Sarkis Doctor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:56
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1668966A
Cited
US2324292A
Cited
US2697897A
Cited
US2634559A
Cited
US2641721A
Cited
US2721427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |