Patent US4418774A successfully refreshed from Google Patents.
Patent US2746493A successfully refreshed from Google Patents.
US2746493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoped driving connection for power tools
Assignee: Individual
•
Filing: 1954-12-07
•
Granted: 1956-05-22
•
Expires: 1974-12-07
Abstract
No abstract record available.
Inventors
- 👤 William J Babcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:26
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/005; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D51/00; B23D51/02; B23D51/025; B23D51/026; B23D51/16; B23D51/162; B23D57/00; B23D57/0076; B23D59/00; B23D59/006; B23D59/0062; B27; B27C; B27C9/00; B27C9/005; B23D51/1615; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T82/00; Y10T82/24; Y10T83/00; Y10T83/263; Y10T83/869; Y10T83/8763
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2107174A
Cited
US2175499A
Cited
US2282728A
Cited
US2305895A
Cited
US2345383A
Cited
US2346432A
Cited
US2548411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |