US1046165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-fitting stair-riser.
Assignee: Individual
•
Filing: 1911-08-25
•
Granted: 1912-12-03
•
Expires: 1931-08-25
Abstract
No abstract record available.
Inventors
- 👤 Mogens Faerch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:08
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/022; E04F11/035
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) | 1915-12-03 | 1916-06-03 | 1916-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-12-03 | 1920-06-03 | 1920-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-12-03 | 1924-06-03 | 1924-12-03 | $7700.00 | Window Closed / Lapsed |