US1909975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for hard cutting material
Assignee: Globe Oil Tools Co
•
Filing: 1930-11-03
•
Granted: 1933-05-23
•
Expires: 1950-11-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas O Mackey
- 👤 John H Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:12
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/06; Y; Y10; Y10S; Y10S76/00; Y10S76/05; Y10S76/12
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) | 1936-05-22 | 1936-11-21 | 1937-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-22 | 1940-11-21 | 1941-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-22 | 1944-11-21 | 1945-05-23 | $7700.00 | Window Closed / Lapsed |