US638773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for making ventilating-holes in hats.
Assignee: Individual
•
Filing: 1899-08-02
•
Granted: 1899-12-12
•
Expires: 1919-08-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/05; Y; Y10; Y10T; Y10T408/00; Y10T408/50; Y10T408/51; Y10T408/55; Y10T408/56; Y10T408/5605
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) | 1902-12-12 | 1903-06-13 | 1903-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-12-12 | 1907-06-13 | 1907-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-12-12 | 1911-06-13 | 1911-12-13 | $7700.00 | Window Closed / Lapsed |