Patent US2859530A successfully refreshed from Google Patents.
US2859530A
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Assignee: REN ITE PLASTICS Inc
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Filing: 1954-05-12
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Granted: 1958-11-11
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Expires: 1974-05-12
Abstract
No abstract record available.
Inventors
- 👤 Harold E Renaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:03
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/28; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T82/00; Y10T82/25; Y10T82/2566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1721367A
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US2039141A
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US2193635A
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US2246898A
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GB551361A
Cited
US2336506A
Cited
US2547087A
Cited
US2667664A
Cited
US2752275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |