US532472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Countersink-tool
Assignee: —
•
Filing: —
•
Granted: 1895-01-15
•
Expires: 1912-01-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:43
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; B23B29/0341; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/86; Y10T408/87; Y10T408/8725; Y10T408/8734; Y10T408/89; Y10T408/892; Y10T408/8925
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) | 1898-01-14 | 1898-07-16 | 1899-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-01-15 | 1902-07-17 | 1903-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-01-15 | 1906-07-17 | 1907-01-16 | $7700.00 | Window Closed / Lapsed |