US2934316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine casing
Assignee: Worthington Corp
•
Filing: 1955-11-18
•
Granted: 1960-04-26
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Watson
- 👤 Anthony J Larrecq
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:48
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/26; F01D25/265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1304191A
Cited
US798106A
Cited
US1884422A
Cited
US2427614A
Cited
US2461242A
Cited
US2632626A
Cited
US2488875A
Cited
US2619317A
Cited
US2643085A
Cited
US2650017A
Cited
US2621018A
Cited
US2796231A
Cited
US2741454A
Cited
US2815645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |