US1740682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft seal
Assignee: C & C Engineering Co Inc
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Filing: 1926-07-03
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Granted: 1929-12-24
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Expires: 1946-07-03
Abstract
No abstract record available.
Inventors
- 👤 John O Carrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:53
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3464; F16J15/3472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-12-23 | 1933-06-24 | 1933-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-23 | 1937-06-24 | 1937-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-23 | 1941-06-24 | 1941-12-24 | $7700.00 | Window Closed / Lapsed |