US3098022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covering a core by extrusion
Assignee: Individual
•
Filing: 1960-08-11
•
Granted: 1963-07-16
•
Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Karnie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:11
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49808; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE118383C
Cited
US590130A
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US1321096A
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GB190021052A
Cited
US1702278A
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US2789344A
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GB800470A
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US2945293A
Cited
US2908073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |