US3458608A
Expired / Lapsed
US
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Method of manufacturing high strength structures having cellular cores
Assignee: Monsanto Co
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Filing: 1966-07-19
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Granted: 1969-07-29
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Expires: 1986-07-19
Abstract
No abstract record available.
Inventors
- 👤 David A Russell
- 👤 Chester F Cynoski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:20
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/5627; B29C44/5636; Y; Y10; Y10S; Y10S220/00; Y10S220/902; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249975
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |