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Patent US1764098A successfully refreshed from Google Patents.
US1764098A
Expired / Lapsed
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Fluid-actuated drill unit
Assignee: National Automatic Tool Co Inc
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Filing: 1927-05-16
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Granted: 1930-06-17
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Expires: 1947-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert M Galloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:59
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/24; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3784; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 0
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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) | 1933-06-16 | 1933-12-16 | 1934-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-16 | 1937-12-16 | 1938-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-16 | 1941-12-16 | 1942-06-17 | $7700.00 | Window Closed / Lapsed |