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US2723773A
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Assignee: INTERSEAL Corp
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Filing: 1952-10-24
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Granted: 1955-11-15
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Expires: 1972-10-24
Abstract
No abstract record available.
Inventors
- 👤 Greene Edgeworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:13
CPC Classifications
B; B65; B65D; B65D49/00; B65D49/02; B65D49/04; B65D49/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US325230A
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US662812A
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US824341A
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US1239725A
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US1259221A
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US2045480A
Cited
US2497599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |