US913172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breast-drill.
Assignee: Individual
•
Filing: 1908-09-05
•
Granted: 1909-02-23
•
Expires: 1928-09-05
Abstract
No abstract record available.
Inventors
- 👤 James G Smith
- 👤 James C Mcgregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:53
CPC Classifications
E; E21; E21B; E21B3/00; E21B3/02; E21B3/04; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/91; Y10T408/93
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) | 1912-02-23 | 1912-08-24 | 1913-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-02-23 | 1916-08-24 | 1917-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-02-23 | 1920-08-24 | 1921-02-23 | $7700.00 | Window Closed / Lapsed |