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US2218406A
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Assignee: Acrotorque Co
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Filing: 1937-10-21
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Granted: 1940-10-15
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Expires: 1957-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Elias Orshansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:51
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/18; F04B1/122; F04B1/124; F04B1/126; F04B1/20; F04B1/2014; F04B1/2035; F04B1/2078; F04B1/22; F04B1/26; F04B1/28; F04B1/29; F04B1/295
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) | 1943-10-15 | 1944-04-15 | 1944-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-15 | 1948-04-15 | 1948-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-15 | 1952-04-15 | 1952-10-15 | $7700.00 | Window Closed / Lapsed |