Patent US3150318A successfully refreshed from Google Patents.
Patent US3494232A successfully refreshed from Google Patents.
US3494232A
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Slitter and cutter apparatus
Assignee: ERIC S LINDAU
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Filing: 1967-08-10
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Granted: 1970-02-10
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Expires: 1987-08-10
Abstract
No abstract record available.
Inventors
- 👤 Eric S Lindau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:27
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0007; D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/08; D21B1/10; G; G03; G03D; G03D15/00; G03D15/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/952; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491; Y10T83/6584; Y10T83/6592; Y10T83/6598; Y10T83/768; Y10T83/869; Y10T83/8789; Y10T83/8796
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314885A
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US672899A
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US1939925A
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CH226209A
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US3224311A
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US3217988A
Cited
US3293962A
Cited
US3324753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |