US2686995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work grinder attachment for lathes
Assignee: Individual
•
Filing: 1952-10-03
•
Granted: 1954-08-24
•
Expires: 1972-10-03
Abstract
No abstract record available.
Inventors
- 👤 Paredes Marcelino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:13
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/0092; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010565A
Cited
US1289375A
Cited
US1364675A
Cited
US1501681A
Cited
GB208437A
Cited
US1859068A
Cited
FR829258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |