Patent JPS61201018A successfully refreshed from Google Patents.
US3132841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor blade and manufacture thereof
Assignee: Motors Liquidation Co
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Filing: 1958-05-12
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Granted: 1964-05-12
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Expires: 1978-05-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Stuart Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:15
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/28; F01D5/282; F01D5/30; F01D5/3007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN COMBINATION, A COMPRESSOR BODY DEFINING ONE WALL OF A COMPRESSOR AIR PASSAGE AND HAVING AN UNDERCUT SLOT THEREIN; A LAMINATED PLASTIC FLUID-DIRECTING BLADE OF AIRFOIL SECTION HAVING A FOOT, THE BLADE EXTENDING SPANWISE OF THE BLADE FROM THE SLOT EXTENDING CHORDWISE OF THE BLADE AT THE FOOT THEREOF; THE FOOT OF THE BLADE COMPRISING AN ENLARGED PORTION EXTENDING CHORDWISE OF THE BLADE FLARING TOWARD THE BOTTOM OF THE SLOT AND COMPRISING LAMINATIONS FLARING FROM EACH SURFACE OF THE BLADE AND A GENERALLY PRISMATIC SPACING MEMBER DISPOSED BETWEEN THE FLARING LAMINATIONS IN THE FOOT AND BONDED THERETO
Claim 2
Dependent Claim
97 words
IN COMBINATION, A COMPRESSOR BODY DEFINING ONE WALL OF A COMPRESSOR AIR PASSAGE AND HAVING AN UNDERCUT SLOT THEREIN; A LAMINATED PLASTIC FLUID-DIRECTING BLADE OF AIRFOIL SECTION HAVING A FOOT, THE BLADE EXTENDING SPANWISE OF THE BLADE FROM THE SLOT EXTENDING CHORDWISE OF THE BLADE AT THE FOOT THEREOF; THE FOOT OF THE BLADE COMPRISING AN ENLARGED PORTION EXTENDING CHORDWISE OF THE BLADE FLARING TOWARD THE BOTTOM OF THE SLOT AND COMPRISING LAMINATIONS FLARING FROM EACH SURFACE OF THE BLADE AND A GENERALLY PRISMATIC SPACING MEMBER DISPOSED BETWEEN THE FLARING LAMINATIONS IN THE FOOT AND BONDED THERETO
References Cited (Backward Citations)
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Cited
US1175460A
Cited
US1035364A
Cited
GB502409A
Cited
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Cited
FR861978A
Cited
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Cited
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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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |