US2086916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poise apparatus
Assignee: KORMANN AERO SAFETY APPLIANCE
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Filing: 1935-03-09
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Granted: 1937-07-13
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Expires: 1955-03-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Kormann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:57
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/12; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923
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) | 1940-07-12 | 1941-01-11 | 1941-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-12 | 1945-01-11 | 1945-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-12 | 1949-01-11 | 1949-07-13 | $7700.00 | Window Closed / Lapsed |