US2853204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure sealing means for sump-type containers
Assignee: Dempster Brothers Inc
•
Filing: 1954-08-20
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Granted: 1958-09-23
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Expires: 1974-08-20
Abstract
No abstract record available.
Inventors
- 👤 Harry W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:01
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54; B65D90/62; B65D90/623; B65F; B65F1/00; B65F1/12; B65F1/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1760305A
Cited
US2369722A
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US2386062A
Cited
US2512344A
Cited
US2698198A
Cited
US2641792A
Cited
US2772919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |