US1701644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-handling device for drilling machines
Assignee: AT&T Inc
•
Filing: 1925-09-30
•
Granted: 1929-02-12
•
Expires: 1945-09-30
Abstract
No abstract record available.
Inventors
- 👤 Stull John Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/16; B23Q7/00; B23Q7/006; Y; Y10; Y10S; Y10S29/00; Y10S29/057; Y10S29/061; Y10S29/096; Y10S82/00; Y10S82/901; Y10T; Y10T408/00; Y10T408/16; Y10T408/44; Y10T408/46; Y10T408/50; Y10T408/55; Y10T408/563
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-02-12 | 1932-08-13 | 1933-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-12 | 1936-08-13 | 1937-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-12 | 1940-08-13 | 1941-02-12 | $7700.00 | Window Closed / Lapsed |