US2236854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inertia eliminator
Assignee: WALKER TURNER CO Inc
•
Filing: 1938-04-19
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Granted: 1941-04-01
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Expires: 1958-04-19
Abstract
No abstract record available.
Inventors
- 👤 Ocenasek William Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:11
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/024; F16D7/028; B; B23; B23D; B23D47/00; B23D47/12; B23Q; B23Q11/00; B23Q11/04; F16H; F16H35/00; F16H35/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/19642; Y10T74/19847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-03-31 | 1944-09-30 | 1945-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-31 | 1948-09-30 | 1949-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-31 | 1952-09-30 | 1953-04-01 | $7700.00 | Window Closed / Lapsed |