Patent US2434854A successfully refreshed from Google Patents.
US2434854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube controlled work and feed motor system
Assignee: Elsag Bailey Inc
•
Filing: 1943-12-04
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Granted: 1948-01-20
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Expires: 1963-12-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond D Junkins
- 👤 Anthony J Hornfeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; B23Q35/124; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/1808; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |