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Patent US3376184A successfully refreshed from Google Patents.
US3376184A
Expired / Lapsed
US
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Pressure bonding system for spanwise reinforced airfoils
Assignee: FRANK HOHMAN
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Filing: 1965-06-11
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Granted: 1968-04-02
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Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Jack L Ritchey
- 👤 Winston E Brownlee
- 👤 Steed Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:54
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0025; B29D99/0028; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/543; B29C66/63; B29C66/636; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/82421; B64; B64C; B64C27/00; B64C27/32; B64C27/46; B64C27/473; B29C66/70; B29C66/72; B29C66/721; B29C66/7212; B29L; B29L2024/00; B29L2024/006; B29L2031/00; B29L2031/30; B29L2031/3076; B29L2031/3085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A BONDING FIXTURE ASSEMBLY FOR USE IN BONDING STRUCTURAL MEMBERS TO FORM A HOLLOW SPANWISE-REINFORCED AIRFOIL JOR THE LIKE, COMPRISING A FEMALE FIXTURE HAVING LONGITUDINALLY-EXTENDING UPPER AND LOWER PARTS HOLLOWED FROM A PARTING PLANE TO DEFINE AN AIRFOIL-SHAPED CAVITY WHEREIN TO RECEIVE SUCH STRUCTURAL MEMBERS, FIRST FLUID PRESSURE-APPLYING MEANS RECESSED WITHIN AT LEAST ONE OF SAID FIXTURE PARTS AFT OF THE POINT JOF MAXIMUM THICKNESS OF SUCH SHAPED CAVITY FOR RESILIENTLY APPLYING FORCES TO SUCH STRUCTURAL MEMBERS INWARDLY AND FORWARD, AND
Claim 2
Dependent Claim
81 words
A BONDING FIXTURE ASSEMBLY FOR USE IN BONDING STRUCTURAL MEMBERS TO FORM A HOLLOW SPANWISE-REINFORCED AIRFOIL JOR THE LIKE, COMPRISING A FEMALE FIXTURE HAVING LONGITUDINALLY-EXTENDING UPPER AND LOWER PARTS HOLLOWED FROM A PARTING PLANE TO DEFINE AN AIRFOIL-SHAPED CAVITY WHEREIN TO RECEIVE SUCH STRUCTURAL MEMBERS, FIRST FLUID PRESSURE-APPLYING MEANS RECESSED WITHIN AT LEAST ONE OF SAID FIXTURE PARTS AFT OF THE POINT JOF MAXIMUM THICKNESS OF SUCH SHAPED CAVITY FOR RESILIENTLY APPLYING FORCES TO SUCH STRUCTURAL MEMBERS INWARDLY AND FORWARD, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |