US2803840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool having an oscillatable tool spindle and plural work holders movable in a circular path
Assignee: Individual
•
Filing: 1954-02-08
•
Granted: 1957-08-27
•
Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert C Mcshirley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
B; B23; B23Q; B23Q39/00; B23Q39/04; B23Q39/042; Y; Y10; Y10S; Y10S470/00; Y10S470/901; Y10S470/904; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5168; Y10T29/5175; Y10T29/5196; Y10T408/00; Y10T408/36; Y10T408/365; Y10T408/367; Y10T408/375; Y10T408/378; Y10T408/3784; Y10T82/00; Y10T82/25; Y10T82/2524; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028225A
Cited
US2165774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |