US3064503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool attachment for boring bars
Assignee: Individual
•
Filing: 1959-02-18
•
Granted: 1962-11-20
•
Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Hugh A Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:17
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/02; B23B29/022; B23B29/03; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9098; Y10T408/90987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |