Patent US5877038A successfully refreshed from Google Patents.
Patent US3012383A successfully refreshed from Google Patents.
US3012383A
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Method and apparatus for providing a spiral cut in small resistances
Assignee: Individual
•
Filing: 1960-08-17
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Granted: 1961-12-12
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Expires: 1980-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin H Layer
- 👤 Earl R Olson
- 👤 Joseph O Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:23
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/02; B24B19/022; B24B19/024; H; H01; H01C; H01C17/00; H01C17/22; H01C17/24; H01C17/245; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/300056; Y10T409/300112; Y10T409/300672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |