US2653030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling and fastening means for tool shanks and handles
Assignee: Individual
•
Filing: 1950-07-03
•
Granted: 1953-09-22
•
Expires: 1970-07-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Van Guilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:43
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0007; B25B23/0042; B25B15/00; B25B15/02; B25G; B25G3/00; B25G3/02; B25G3/12; B25G3/14; B25G3/28; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17974; Y10T403/00; Y10T403/49; Y10T403/4966; Y10T403/53; Y10T403/535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351296A
Cited
US453648A
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US520981A
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US751902A
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US747219A
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US1178209A
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US1251566A
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GB203490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |