US3481247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool height setting apparatus
Assignee: HAYES ENG LEEDS Ltd
•
Filing: 1967-10-23
•
Granted: 1969-12-02
•
Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Hubert George Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:22
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/20; B23Q15/22; B23Q15/24; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6779; Y10T409/00; Y10T409/30; Y10T409/308624
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3171327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |