US2076867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unit operating device for a swinging and a sliding panel
Assignee: Ternstedt Manufacturing Co
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Filing: 1934-02-14
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Granted: 1937-04-13
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Expires: 1954-02-14
Abstract
No abstract record available.
Inventors
- 👤 Simpson Emory Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:13
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/382; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
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) | 1940-04-12 | 1940-10-12 | 1941-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-12 | 1944-10-12 | 1945-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-12 | 1948-10-12 | 1949-04-13 | $7700.00 | Window Closed / Lapsed |