Patent US1768935A successfully refreshed from Google Patents.
Patent US3090703A successfully refreshed from Google Patents.
US3090703A
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Boron phosphide articles and coatings
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-03-03
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Granted: 1963-05-21
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Gruber
- 👤 Robert A Ruehrwein
- 👤 Forrest V Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:59
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C01; C01B; C01B25/00; C01B25/06; C04; C04B; C04B35/00; C04B35/515; C04B35/5154; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/043; F16C2206/00; F16C2206/40; F16C2300/00; F16C2300/40; F16C2300/54; F16C2326/00; F16C2326/47; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S220/00; Y10S220/917; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN ABRASION AND CORROSION RESISTANT TURBINE BUCKET SUITABLE FOR USE IN HIGH TEMPERATURE COMBUSTION ENGINES AND HAVING A BASE FROM OF A METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBEDNUM, TUNGSTEN, AND TANTALUM, AND BEING COATED WITH A COATING COMPRISING CUBIC CRYSTALLINE BORON PHOSPHIDE.
Claim 2
Dependent Claim
44 words
AN ABRASION AND CORROSION RESISTANT TURBINE BUCKET SUITABLE FOR USE IN HIGH TEMPERATURE COMBUSTION ENGINES AND HAVING A BASE FROM OF A METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBEDNUM, TUNGSTEN, AND TANTALUM, AND BEING COATED WITH A COATING COMPRISING CUBIC CRYSTALLINE BORON PHOSPHIDE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |