US2008031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-lubricating drill
Assignee: Individual
•
Filing: 1934-01-31
•
Granted: 1935-07-16
•
Expires: 1954-01-31
Abstract
No abstract record available.
Inventors
- 👤 Miltner Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:11
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/06; B23B51/068; B23B51/0682; B23B51/02; B23Q; B23Q11/00; B23Q11/10; B23Q11/1007; B23B2250/00; B23B2250/12; B23B2251/00; B23B2251/24; B23B2251/241; B23B2260/00; B23B2260/072; Y; Y10; Y10T; Y10T408/00; Y10T408/44
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) | 1938-07-15 | 1939-01-14 | 1939-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-15 | 1943-01-14 | 1943-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-15 | 1947-01-14 | 1947-07-16 | $7700.00 | Window Closed / Lapsed |