Patent US1420342A successfully refreshed from Google Patents.
US1420342A
Expired / Lapsed
US
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Connection for knife handles and blades
Assignee: Individual
•
Filing: 1920-11-06
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Granted: 1922-06-20
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Expires: 1940-11-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:46
CPC Classifications
B; B26; B26B; B26B3/00; B26B3/02; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17863; Y10T279/17905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1925-06-19 | 1925-12-19 | 1926-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-19 | 1929-12-19 | 1930-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-19 | 1933-12-19 | 1934-06-20 | $7700.00 | Window Closed / Lapsed |