Patent US1420319A successfully refreshed from Google Patents.
US1420319A
Expired / Lapsed
US
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Metal-routing machine
Assignee: Individual
•
Filing: 1921-03-12
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Granted: 1922-06-20
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Expires: 1941-03-12
Abstract
No abstract record available.
Inventors
- 👤 George L Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:43
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/02; B44B2700/00; B44B2700/02; B44B2700/023; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5614; Y10T408/91; Y10T408/93; Y10T408/935; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/307056
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 |