Patent US2044709A successfully refreshed from Google Patents.
US2044709A
Expired / Lapsed
US
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Multiple spindle drill
Assignee: Harris Corp
•
Filing: 1933-08-31
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Granted: 1936-06-16
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Expires: 1953-08-31
Abstract
No abstract record available.
Inventors
- 👤 Harry I Lewis
- 👤 Frederick W Seybold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:17
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/16; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T408/36; Y10T408/38; Y10T408/3811; Y10T408/3828; Y10T408/44; Y10T408/46; Y10T408/50
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) | 1939-06-16 | 1939-12-16 | 1940-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-16 | 1943-12-16 | 1944-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-16 | 1947-12-16 | 1948-06-16 | $7700.00 | Window Closed / Lapsed |