US2690284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for pressurizing shipping containers
Assignee: Uniroyal Inc
•
Filing: 1950-12-09
•
Granted: 1954-09-28
•
Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Marion M Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:53
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE105915C
Cited
US173093A
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FR329382A
Cited
US1028373A
Cited
DE361625C
Cited
US1524042A
Cited
US1927170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |