US2511958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-trip container
Assignee: Trojan Powder Co
•
Filing: 1944-12-09
•
Granted: 1950-06-20
•
Expires: 1964-12-09
Abstract
No abstract record available.
Inventors
- 👤 David G Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:15
CPC Classifications
B; B65; B65D; B65D9/00; B65D9/32; B65D9/34; B65D55/00; B65D55/02; B65D55/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US227447A
Cited
US298146A
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US1310352A
Cited
GB189324189A
Cited
GB190421017A
Cited
US829887A
Cited
US870122A
Cited
US928176A
Cited
US1374652A
Cited
US1491356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |