US1665411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling machine
Assignee: National Automatic Tool Co Inc
•
Filing: 1923-09-23
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Granted: 1928-04-10
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Expires: 1943-09-23
Abstract
No abstract record available.
Inventors
- 👤 Robert M Galloway
- 👤 Paul C Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:25
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; B23Q2705/00; B23Q2705/10; B23Q2705/16; B23Q2705/165; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/18; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6774; Y10T408/91
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) | 1931-04-10 | 1931-10-10 | 1932-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-04-10 | 1935-10-10 | 1936-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-04-10 | 1939-10-10 | 1940-04-10 | $7700.00 | Window Closed / Lapsed |