Patent US2409846A successfully refreshed from Google Patents.
US2409846A
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US
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Assignee: INTER SEAL CORP
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Filing: 1942-11-13
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Granted: 1946-10-22
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Expires: 1962-11-13
Abstract
No abstract record available.
Inventors
- 👤 Greene Edgeworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:49
CPC Classifications
B; B65; B65D; B65D49/00; B65D49/02; B65D49/04; B65D49/06; B65D55/00; B65D55/02; B65D55/022
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) | 1949-10-21 | 1950-04-22 | 1950-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-21 | 1954-04-22 | 1954-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-21 | 1958-04-22 | 1958-10-22 | $7700.00 | Window Closed / Lapsed |