US3483801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casing closure apparatus and method
Assignee: Union Carbide Corp
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Filing: 1966-08-26
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Granted: 1969-12-16
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Vytautas Kupcikevicius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:09
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; A; A22; A22C; A22C11/00; A22C11/12; A22C11/127; A22C13/00; A22C13/0003; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/53; Y10T29/53709; Y10T29/53787; Y10T29/53791
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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |