US780684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair-tip.
Assignee: Individual
•
Filing: 1904-03-16
•
Granted: 1905-01-24
•
Expires: 1924-03-16
Abstract
No abstract record available.
Inventors
- 👤 Philip W Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:40
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/04; Y; Y10; Y10S; Y10S16/00; Y10S16/33; Y10T; Y10T292/00; Y10T292/65
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) | 1908-01-24 | 1908-07-25 | 1909-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-01-24 | 1912-07-25 | 1913-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-01-24 | 1916-07-25 | 1917-01-24 | $7700.00 | Window Closed / Lapsed |