US638987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable folding horse for painters, plasterers, or others.
Assignee: AMANDA M PORTEN
•
Filing: 1898-12-02
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Granted: 1899-12-12
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Expires: 1918-12-02
Abstract
No abstract record available.
Inventors
- 👤 William Porten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06
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) | 1902-12-12 | 1903-06-13 | 1903-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-12-12 | 1907-06-13 | 1907-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-12-12 | 1911-06-13 | 1911-12-13 | $7700.00 | Window Closed / Lapsed |