US2685382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank
Assignee: Cornelius Co
•
Filing: 1949-12-24
•
Granted: 1954-08-03
•
Expires: 1969-12-24
Abstract
No abstract record available.
Inventors
- 👤 Nelson F Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:26
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US441661A
Cited
US693398A
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US901049A
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US1575949A
Cited
US1563243A
Cited
US1760458A
Cited
US1803194A
Cited
GB496477A
Cited
US2294858A
Cited
US2507783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |