US994430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring-tool.
Assignee: Individual
•
Filing: 1911-03-02
•
Granted: 1911-06-06
•
Expires: 1931-03-02
Abstract
No abstract record available.
Inventors
- 👤 Charles A Tunks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:22
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0046; B23B; B23B2250/00; B23B2250/12; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S29/00; Y10S29/084; Y10S29/086; Y10S82/00; Y10S82/901; Y10T; Y10T408/00; Y10T408/44; Y10T408/55
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) | 1914-06-05 | 1914-12-05 | 1915-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-05 | 1918-12-05 | 1919-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-05 | 1922-12-05 | 1923-06-06 | $7700.00 | Window Closed / Lapsed |