Patent US3086898A successfully refreshed from Google Patents.
US3086898A
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Light-weight structural unit
Assignee: Standard Oil Co
•
Filing: 1959-09-24
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Granted: 1963-04-23
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Alford
- 👤 Veatch Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:20
CPC Classifications
C; C04; C04B; C04B38/00; C04B38/0038; C03; C03B; C03B19/00; C03B19/06; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2187432A
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US2117605A
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US2255236A
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US2197562A
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US2299374A
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US2533633A
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US2583452A
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US2918757A
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US2866298A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |