US830826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head-rest.
Assignee: Individual
•
Filing: 1905-12-30
•
Granted: 1906-09-11
•
Expires: 1925-12-30
Abstract
No abstract record available.
Inventors
- 👤 Francis De Fontes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:20
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/04; A47C1/10; B; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/865
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) | 1909-09-10 | 1910-03-12 | 1910-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-09-10 | 1914-03-12 | 1914-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-09-10 | 1918-03-12 | 1918-09-11 | $7700.00 | Window Closed / Lapsed |