US3434248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for grinding inserts
Assignee: NEIL F D MARTIN
•
Filing: 1965-10-20
•
Granted: 1969-03-25
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Neil F D Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/34; B24B3/343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2932133A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |