US2886204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single deck contact type floating roof
Assignee: Chicago Bridge and Iron Co
•
Filing: 1954-10-12
•
Granted: 1959-05-12
•
Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Moyer
- 👤 Clifford M Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:13
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1886131A
Cited
US2282772A
Cited
US2321058A
Cited
US2359416A
Cited
US2464786A
Cited
US2538033A
Cited
US2664220A
Cited
US2750067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |