US3482682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining trays for semiconductor wafers and the like
Assignee: Monsanto Co
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Filing: 1968-10-02
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Granted: 1969-12-09
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Expires: 1988-10-02
Abstract
No abstract record available.
Inventors
- 👤 Paul W Cronkhite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/70; G03F7/70691; B; B65; B65D; B65D1/00; B65D1/34; B65D1/36; B65D73/00; B65D73/02
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |