US2634017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing member
Assignee: Chicago Bridge and Iron Co
•
Filing: 1946-07-03
•
Granted: 1953-04-07
•
Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:41
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34; B65D88/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US192310A
Cited
US1324445A
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US1494818A
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US1666415A
Cited
US1892144A
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US1782949A
Cited
GB298451A
Cited
US1832122A
Cited
US2080568A
Cited
US2191142A
Cited
US2228779A
Cited
US2471404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |