US3065654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hole cutting attachment for electric drills
Assignee: Individual
•
Filing: 1960-02-02
•
Granted: 1962-11-27
•
Expires: 1980-02-02
Abstract
No abstract record available.
Inventors
- 👤 Louis J Critelli
- 👤 Riccio Cesare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:51
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0078; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T408/5653
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1281627A
Cited
US2151205A
Cited
US2360942A
Cited
US2680435A
Cited
US2775032A
Cited
FR1187549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |