US2991663A
Expired / Lapsed
US
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"z" axis drive system
Assignee: Individual
•
Filing: 1958-11-26
•
Granted: 1961-07-11
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Expires: 1978-11-26
Abstract
No abstract record available.
Inventors
- 👤 John B Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:40
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/06; B44B3/061; B23; B23B; B23B39/00; B23B39/04; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/62; B23Q1/621; B23Q1/626; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19107; Y10T74/19642; Y10T74/1967; Y10T74/20; Y10T74/20012; Y10T74/20201; Y10T74/20207; Y10T74/20341; Y10T74/20354
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |