US2315104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inclinable grinder spindle
Assignee: Thompson Grinder Co
•
Filing: 1941-11-12
•
Granted: 1943-03-30
•
Expires: 1961-11-12
Abstract
No abstract record available.
Inventors
- 👤 William G Baldenhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/0084; Y; Y10; Y10S; Y10S451/00; Y10S451/918
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) | 1946-03-29 | 1946-09-28 | 1947-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-29 | 1950-09-28 | 1951-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-29 | 1954-09-28 | 1955-03-30 | $7700.00 | Window Closed / Lapsed |