US3477831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated nickel-base and cobalt-base alloys having oxidation and erosion resistance at high temperatures
Assignee: RTX Corp
•
Filing: 1966-01-27
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Granted: 1969-11-11
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Expires: 1986-01-27
Abstract
No abstract record available.
Inventors
- 👤 Frank P Talboom Jr
- 👤 John A Petrusha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:05
CPC Classifications
C; C23; C23C; C23C28/00; C23C26/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/1259; Y10T428/12736; Y10T428/12771; Y10T428/12806; Y10T428/12819; Y10T428/12861; Y10T428/12931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3000755A
Cited
US2987423A
Cited
US3054694A
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US3102044A
Cited
US3096160A
Cited
US3141744A
Cited
US3330633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |