US2544651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of storing volatile liquids
Assignee: Chicago Bridge and Iron Co
•
Filing: 1945-09-17
•
Granted: 1951-03-13
•
Expires: 1965-09-17
Abstract
No abstract record available.
Inventors
- 👤 Harry C Boardman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/32; B65D90/34; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0396; Y10T137/7287; Y10T137/7358; Y10T137/8593; Y10T137/85954; Y10T137/86292; Y10T137/86324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1666935A
Cited
US1890870A
Cited
US2037731A
Cited
US2313997A
Cited
US2341044A
Cited
US2333792A
Cited
US2376263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |