US3051497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means between relatively rotating parts
Assignee: Rolls Royce PLC
•
Filing: 1958-01-20
•
Granted: 1962-08-28
•
Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Wigg Raymond Ernest
- 👤 Battle Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:22
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/40; F16J15/406; F01; F01D; F01D11/00; F01D11/02; F01D11/04; Y; Y10; Y10S; Y10S277/00; Y10S277/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1041485A
Cited
GB148932A
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US1964063A
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US2042691A
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US2149974A
Cited
US2100220A
Cited
US2182981A
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US2329990A
Cited
US2389528A
Cited
US2474123A
Cited
US2589631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |