US2655964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw taper drill attachment
Assignee: Individual
•
Filing: 1951-02-16
•
Granted: 1953-10-20
•
Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph A Labbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:15
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/003; B23B49/005; B23B51/00; B23B51/10; B23B51/104; B27; B27G; B27G15/00; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/905; Y10T408/906; Y10T408/909; Y10T408/9098
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE4251C
Cited
US60207A
Cited
US104335A
Cited
US252704A
Cited
US362934A
Cited
US1479325A
Cited
US716441A
Cited
US1047466A
Cited
US1535941A
Cited
AU14226A
Cited
GB257772A
Cited
DE638615C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |