Patent US2746672A successfully refreshed from Google Patents.
US2746672A
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Assignee: RTX Corp
•
Filing: 1950-07-27
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Granted: 1956-05-22
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Expires: 1970-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Doll
- 👤 Jr Philip Marisolf
- 👤 Jr Carl R Soderberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:30
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/68; F04D29/681; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141; F04D29/26; F04D29/32; F04D29/321; F04D29/324; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/542; F04D29/544; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1712119A
Cited
US1862827A
Cited
US1887417A
Cited
GB512487A
Cited
US2314572A
Cited
US2355413A
Cited
US2435236A
Cited
US2524870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |