US2559950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triple-tool turning head
Assignee: Individual
•
Filing: 1948-02-20
•
Granted: 1951-07-10
•
Expires: 1968-02-20
Abstract
No abstract record available.
Inventors
- 👤 Bayard C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:38
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B29/00; B23B29/24; B23B29/248; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T407/1914; Y10T407/1916; Y10T407/1918; Y10T407/195; Y10T407/22; Y10T407/2214; Y10T82/00; Y10T82/25; Y10T82/2583; Y10T82/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US671252A
Cited
US930075A
Cited
US1244665A
Cited
US2211596A
Cited
US2305737A
Cited
US2375295A
Cited
US2416774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |