US2740168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure sealing apparatus
Assignee: Individual
•
Filing: 1953-05-25
•
Granted: 1956-04-03
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Charles S Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:47
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D15/1042; B; B64; B64C; B64C1/00; B64C1/14; E05D2015/1049; E05Y; E05Y2600/00; E05Y2600/10; E05Y2600/30; E05Y2600/32; E05Y2600/322; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E05Y2900/50; E05Y2900/502
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |