US2606501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbopump structure
Assignee: MW Kellogg Co
•
Filing: 1948-07-21
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Granted: 1952-08-12
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Expires: 1968-07-21
Abstract
No abstract record available.
Inventors
- 👤 Logan L Dreibelbis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:00
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/06; F04D29/061; F01; F01D; F01D25/00; F01D25/16; F04D13/00; F04D13/02; F04D13/04; F05; F05D; F05D2240/00; F05D2240/60; F05D2240/61; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |