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Patent US2824640A successfully refreshed from Google Patents.
US2824640A
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Getter containers and a method of manufacturing such containers
Assignee: Individual
•
Filing: 1953-09-01
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Granted: 1958-02-25
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Expires: 1973-09-01
Abstract
No abstract record available.
Inventors
- 👤 Porta Paolo Della
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:23
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/186; F; F16; F16B; F16B12/00; F16B12/40; F16B12/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1638551A
Cited
US2126686A
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US2311138A
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US2258957A
Cited
US2515337A
Cited
DE859341C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |