US2460156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic drilling machine
Assignee: Individual
•
Filing: 1945-04-04
•
Granted: 1949-01-25
•
Expires: 1965-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert E Vanderhide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:43
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/04; B23B39/08; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5159; Y10T29/516; Y10T29/5179; Y10T408/00; Y10T408/23; Y10T408/36; Y10T408/37; Y10T408/83; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE55472C
Cited
US1809402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |