US2600707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible rotary reaming apparatus
Assignee: Individual
•
Filing: 1949-04-15
•
Granted: 1952-06-17
•
Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 James E Turnbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:13
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005; F; F16; F16C; F16C25/00; F16C25/06; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/54; F16C19/541; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T279/17; Y10T279/17393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599089A
Cited
US788593A
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US1162125A
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US1880431A
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US1888269A
Cited
US2033670A
Cited
US2044848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |