US1018246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-operated door.
Assignee: Individual
•
Filing: 1912-01-05
•
Granted: 1912-02-20
•
Expires: 1932-01-05
Abstract
No abstract record available.
Inventors
- 👤 Gustav Korytowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:41
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1915-02-19 | 1915-08-21 | 1916-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-02-19 | 1919-08-21 | 1920-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-02-19 | 1923-08-21 | 1924-02-20 | $7700.00 | Window Closed / Lapsed |