Patent US1246659A successfully refreshed from Google Patents.
US1246659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting device for chair-backs.
Assignee: Individual
•
Filing: 1913-08-25
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Granted: 1917-11-13
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Expires: 1933-08-25
Abstract
No abstract record available.
Inventors
- 👤 Frank Ritter
- 👤 Adelina Ritter Shumway
- 👤 Laura A Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:42
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/235; B60N2/2352; A; A61; A61G; A61G5/00; A61G5/10; A61G5/1056; A61G5/1067
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) | 1920-11-12 | 1921-05-14 | 1921-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-11-12 | 1925-05-14 | 1925-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-11-12 | 1929-05-14 | 1929-11-13 | $7700.00 | Window Closed / Lapsed |