US1009889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swinging connection for silo-doors.
Assignee: HENRY C BRUNS
•
Filing: 1911-04-17
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Granted: 1911-11-28
•
Expires: 1931-04-17
Abstract
No abstract record available.
Inventors
- 👤 Emil A Brandenburg
- 👤 George Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:29
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/40; E05; E05D; E05D15/00; E05D15/28; E05D15/30
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) | 1914-11-27 | 1915-05-29 | 1915-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-11-27 | 1919-05-29 | 1919-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-11-27 | 1923-05-29 | 1923-11-28 | $7700.00 | Window Closed / Lapsed |