US2893509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration free apparatus
Assignee: Combustion Engineering Inc
•
Filing: 1956-03-28
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Granted: 1959-07-07
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Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; F22B37/143; F22D; F22D1/00; F22D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1281247A
Cited
US1497973A
Cited
US1901090A
Cited
US2204613A
Cited
US2200156A
Cited
US2056862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |