Patent US718524A successfully refreshed from Google Patents.
US718524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion for chairs, &c.
Assignee: Individual
•
Filing: 1900-08-16
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Granted: 1903-01-13
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Expires: 1920-08-16
Abstract
No abstract record available.
Inventors
- 👤 William Ritter
- 👤 Benjamin Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:06
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; A47C7/20; Y; Y10; Y10S; Y10S5/00; Y10S5/924
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) | 1906-01-12 | 1906-07-14 | 1907-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-01-12 | 1910-07-14 | 1911-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-01-12 | 1914-07-14 | 1915-01-13 | $7700.00 | Window Closed / Lapsed |