Patent US2973158A successfully refreshed from Google Patents.
US2973158A
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Cut-off knife assembly for continuous rewinders
Assignee: MERCURY ENGINEERING Corp
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Filing: 1958-09-19
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Granted: 1961-02-28
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Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Zernov Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:02
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/26; D; D06; D06H; D06H7/00; D06H7/02; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4187; B65H2301/4189; B65H2301/41894
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1973515A
Cited
US2586833A
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US2518069A
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US2512900A
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US2686015A
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US2620993A
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US2718362A
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US2689095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |