US2871622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic filament cutter
Assignee: International Resistance Co
•
Filing: 1954-02-26
•
Granted: 1959-02-03
•
Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robert J Singer
- 👤 Edward N Lichtenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:10
CPC Classifications
H; H01; H01C; H01C17/00; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T225/371; Y10T83/00; Y10T83/465; Y10T83/4757
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |