US2472968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling machine
Assignee: Individual
•
Filing: 1942-06-26
•
Granted: 1949-06-14
•
Expires: 1962-06-26
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/04; Y; Y10; Y10T; Y10T408/00; Y10T408/13; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/173
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1401388A
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US1743782A
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US2017865A
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US2004540A
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US1979479A
Cited
US2111784A
Cited
US2108823A
Cited
US2133170A
Cited
US2114389A
Cited
US2216486A
Cited
US2271717A
Cited
US2299397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |