Patent US2120629A successfully refreshed from Google Patents.
US2120629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air and moisture proof rip seal for packages
Assignee: HANS NEUERBURG GmbH
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Filing: 1937-02-23
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Granted: 1938-06-14
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Expires: 1957-02-23
Abstract
No abstract record available.
Inventors
- 👤 Schunemann Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:58
CPC Classifications
B; B65; B65D; B65D55/00; B65D55/02; B65D55/06; B65D55/08; B65D55/0818; B65D75/00; B65D75/52; B65D75/58; B65D75/66; B65D2555/00; B65D2555/02; B65D2555/025; Y; Y10; Y10S; Y10S229/00; Y10S229/924; Y10S229/926
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) | 1941-06-13 | 1941-12-13 | 1942-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-13 | 1945-12-13 | 1946-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-13 | 1949-12-13 | 1950-06-14 | $7700.00 | Window Closed / Lapsed |