US721743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic cotton-conveyer.
Assignee: Individual
•
Filing: 1902-11-21
•
Granted: 1903-03-03
•
Expires: 1922-11-21
Abstract
No abstract record available.
Inventors
- 👤 George Eustace Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52; B65G53/56; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87788; Y10T137/87804
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 |