US946984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring-machine.
Assignee: WILLIAM B LAWHORN
•
Filing: 1909-03-15
•
Granted: 1910-01-18
•
Expires: 1929-03-15
Abstract
No abstract record available.
Inventors
- 👤 John H Parman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:49
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/12; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/67; 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) | 1913-01-17 | 1913-07-19 | 1914-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-01-17 | 1917-07-19 | 1918-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-01-17 | 1921-07-19 | 1922-01-18 | $7700.00 | Window Closed / Lapsed |