US720482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making shells for playing-balls.
Assignee: KEMPSHALL Manufacturing CO
•
Filing: 1902-06-04
•
Granted: 1903-02-10
•
Expires: 1922-06-04
Abstract
No abstract record available.
Inventors
- 👤 Francis H Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:27
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/52; Y; Y10; Y10S; Y10S220/00; Y10S220/23; Y10S264/00; Y10S264/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1906-02-09 | 1906-08-11 | 1907-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-02-09 | 1910-08-11 | 1911-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-02-09 | 1914-08-11 | 1915-02-10 | $7700.00 | Window Closed / Lapsed |