Patent US848075A successfully refreshed from Google Patents.
US848075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal nosing for concrete steps and other structures.
Assignee: Individual
•
Filing: 1906-02-07
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Granted: 1907-03-26
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Expires: 1926-02-07
Abstract
No abstract record available.
Inventors
- 👤 Henry H Wainwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:32
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/104; E04F11/16; E04F11/163
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) | 1910-03-25 | 1910-09-24 | 1911-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-03-25 | 1914-09-24 | 1915-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-03-25 | 1918-09-24 | 1919-03-26 | $7700.00 | Window Closed / Lapsed |