Patent US3428286A successfully refreshed from Google Patents.
US3428286A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1967-01-03
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Granted: 1969-02-18
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Andrew Del Pesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:56
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/02; F16M11/04; F16M11/06; F16M11/12; F16M11/14; F16M11/2007; F16M11/2035; F16M11/2078; F16M13/00; F16M13/02; F16M13/04; G; G02; G02B; G02B25/00; G02B25/002; G02B25/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324456A
Cited
US1290252A
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US2474942A
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US2526045A
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US2752726A
Cited
US2702683A
Cited
US2995983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |