US3382740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball drilling machine
Assignee: Individual
•
Filing: 1965-12-29
•
Granted: 1968-05-14
•
Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Russell P Lotta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:01
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23B; B23B39/00; B23B39/14; B23Q35/00; B23Q35/04; B23Q35/42; B23Q35/46; Y; Y10; Y10S; Y10S408/00; Y10S408/01; Y10T; Y10T408/00; Y10T408/08; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/55; Y10T408/561; Y10T408/5614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB281777A
Cited
US3143901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |