US3083593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill guide means
Assignee: NASOBA ENGINEERING Corp
•
Filing: 1962-03-02
•
Granted: 1963-04-02
•
Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Donald P Cutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/02; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/567; Y10T408/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2170211A
Cited
US2539223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |