US721904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioned rocker or wheel.
Assignee: Individual
•
Filing: 1902-07-15
•
Granted: 1903-03-03
•
Expires: 1922-07-15
Abstract
No abstract record available.
Inventors
- 👤 James Monroe Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/029; Y; Y10; Y10S; Y10S220/00; Y10S220/03
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) | 1906-03-02 | 1906-09-01 | 1907-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-03-02 | 1910-09-01 | 1911-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-03-02 | 1914-09-01 | 1915-03-03 | $7700.00 | Window Closed / Lapsed |