US3241231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for assembling piano action damper blocks
Assignee: Wurlitzer Co
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Filing: 1963-07-25
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Granted: 1966-03-22
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:40
CPC Classifications
G; G10; G10C; G10C9/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
APPARATUS TO BE USED IN MAKING DAMPER BLOCK ASSEMBLIES FOR PIANOS AND ANALOGOUS MUSICAL INSTRUMENTS SAID APPARATUS COMPRISING: WORK TRANSFER MEANS FOR RECEIVING AND ADVANCING A DAMPER BLOCK BODY PERFORM THROUGH A SEQUENCE OF WORK POSITIONS; MEANS FOR FEEDING BODY PERFORMS TO SAID TRANSFER MEANS AT ONE OF SAID WORK POSITIONS; BUSHING ASSEMBLY MEANS AT A SECOND WORK POSITION FOR SEATING A BUSHING IN THE AXIAL BORE OF SAID BODY PREFROM; DRILL MEANS AT A THIRD WORK POSITION MOUNTED FOR MOVEMENT TOWARD AND AWAY FROM SAID WORK TRANSFER MEANS AND OPERATIVE TO FORM A DIAMETRIC BORE SIMULTANEOUSLY IN SAID BODY PREFORM AND ON SAID BUSHING; AND MEANS AT A FOURTH WORK POSITION FOR SEPARATING COMPLETED DAMPER BLOCK ASSEMBLIES FROM SAID WORK TRANSFER MEANS.
Claim 2
Dependent Claim
123 words
APPARATUS TO BE USED IN MAKING DAMPER BLOCK ASSEMBLIES FOR PIANOS AND ANALOGOUS MUSICAL INSTRUMENTS SAID APPARATUS COMPRISING: WORK TRANSFER MEANS FOR RECEIVING AND ADVANCING A DAMPER BLOCK BODY PERFORM THROUGH A SEQUENCE OF WORK POSITIONS; MEANS FOR FEEDING BODY PERFORMS TO SAID TRANSFER MEANS AT ONE OF SAID WORK POSITIONS; BUSHING ASSEMBLY MEANS AT A SECOND WORK POSITION FOR SEATING A BUSHING IN THE AXIAL BORE OF SAID BODY PREFROM; DRILL MEANS AT A THIRD WORK POSITION MOUNTED FOR MOVEMENT TOWARD AND AWAY FROM SAID WORK TRANSFER MEANS AND OPERATIVE TO FORM A DIAMETRIC BORE SIMULTANEOUSLY IN SAID BODY PREFORM AND ON SAID BUSHING; AND MEANS AT A FOURTH WORK POSITION FOR SEPARATING COMPLETED DAMPER BLOCK ASSEMBLIES FROM SAID WORK TRANSFER MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |