US2349503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro boring and turning device
Assignee: GAY M BONEBRAKE
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Filing: 1943-08-06
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Granted: 1944-05-23
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Expires: 1963-08-06
Abstract
No abstract record available.
Inventors
- 👤 Charles M Kouba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:03
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/06; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2214; Y10T407/2216; Y10T407/222; Y10T407/2222; Y10T407/2226; Y10T407/223; Y10T407/2234; Y10T407/2236; Y10T407/2252; Y10T407/2262; Y10T82/00; Y10T82/14; Y10T82/148
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) | 1947-05-23 | 1947-11-22 | 1948-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-23 | 1951-11-22 | 1952-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-23 | 1955-11-22 | 1956-05-23 | $7700.00 | Window Closed / Lapsed |