US3000580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil winder
Assignee: Individual
•
Filing: 1957-11-04
•
Granted: 1961-09-19
•
Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Mitchel J Matovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:30
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE280378C
Cited
US751816A
Cited
DE503525C
Cited
GB523338A
Cited
US2185883A
Cited
GB639177A
Cited
US2865573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |