US3060909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support means for tubes or groups of tubes heated by hot gas
Assignee: Sulzer AG
•
Filing: 1960-05-25
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Granted: 1962-10-30
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Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Ott Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:55
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/20; F22B37/202; F22B37/62; F22B37/64; F22G; F22G7/00; F22G7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296799A
Cited
FR898022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |