US2906144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for drilling small bores
Assignee: Individual
•
Filing: 1957-06-18
•
Granted: 1959-09-29
•
Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 Mcmanis Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:55
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/14; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/94; Y10T408/95; Y10T408/953; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311039A
Cited
US918062A
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US1214754A
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US2076767A
Cited
US2387128A
Cited
CH250957A
Cited
US2465832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |