US2962154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill kit
Assignee: Individual
•
Filing: 1957-01-29
•
Granted: 1960-11-29
•
Expires: 1977-01-29
Abstract
No abstract record available.
Inventors
- 👤 Falk Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US293374A
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US2379992A
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US857763A
Cited
GB190810973A
Cited
US1092156A
Cited
FR487371A
Cited
GB150141A
Cited
US1965032A
Cited
US2039855A
Cited
US2408227A
Cited
US2589593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |