Patent US2218858A successfully refreshed from Google Patents.
US2218858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing ring for containers
Assignee: Individual
•
Filing: 1939-12-06
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Granted: 1940-10-22
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Expires: 1959-12-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Rosenbloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/32; B65D2543/00; B65D2543/00009; B65D2543/00953; B65D2543/00962; B65D2543/00972; Y; Y10; Y10S; Y10S220/00; Y10S220/29; Y10T; Y10T24/00; Y10T24/21; Y10T24/2189; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-22 | 1944-04-22 | 1944-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-22 | 1948-04-22 | 1948-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-22 | 1952-04-22 | 1952-10-22 | $7700.00 | Window Closed / Lapsed |