US2533832A
Expired / Lapsed
US
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Sealing mechanism
Assignee: Ex-Cell-O Corp
•
Filing: 1947-10-14
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Granted: 1950-12-12
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Expires: 1967-10-14
Abstract
No abstract record available.
Inventors
- 👤 Charles Z Monroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:05
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/131; B29C66/1312; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43122; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81425; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/83417; B29C66/90; B29C66/92; B29C66/924; B29C66/9261; B29C66/92651; B29C66/92653; B29C66/92655; B65; B65B; B65B51/00; B65B51/10; B65B51/16; B29L; B29L2031/00; B29L2031/712; B29L2031/7162; B29L2031/7166
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |