US3209574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method applying vibratory energy
Assignee: Aeroprojects Inc
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Filing: 1963-11-04
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Granted: 1965-10-05
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Charles A Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:20
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
VIBRATORY TUBE DRAWING APPARATUS COMPRISING A DIE HAVING AN ORIFICE THEREIN, A VIBRATORY GENERATOR COUPLED TO SAID DIE, MEANS ON ONE SIDE OF SAID DIE FOR PULLING TUBING IN AN AXIAL DIRECTION THROUGH SAID ORIFICE, A FREE-FLOATING PLUG PARTIALLY DISPOSED IN SAID ORIFICE, SAID PLUG HAVING A LENGTH EQUAL TO AN INTEGRAL NUMBER OF ONE-HALF WAVELENGTHS IN THE MATERIAL OF WHICH IT IS MADE AT THE FREQUENCY OF SAID VIBRATORY GENERATOR, SAID PLUG HAVING ONE END THEREOF IN SAID ORIFICE AND A SECOND END THEREOF ON THE SIDE OF SAID DIE OPPOSITE FROM SAID PULLING MEANS.
Claim 2
Dependent Claim
96 words
VIBRATORY TUBE DRAWING APPARATUS COMPRISING A DIE HAVING AN ORIFICE THEREIN, A VIBRATORY GENERATOR COUPLED TO SAID DIE, MEANS ON ONE SIDE OF SAID DIE FOR PULLING TUBING IN AN AXIAL DIRECTION THROUGH SAID ORIFICE, A FREE-FLOATING PLUG PARTIALLY DISPOSED IN SAID ORIFICE, SAID PLUG HAVING A LENGTH EQUAL TO AN INTEGRAL NUMBER OF ONE-HALF WAVELENGTHS IN THE MATERIAL OF WHICH IT IS MADE AT THE FREQUENCY OF SAID VIBRATORY GENERATOR, SAID PLUG HAVING ONE END THEREOF IN SAID ORIFICE AND A SECOND END THEREOF ON THE SIDE OF SAID DIE OPPOSITE FROM SAID PULLING MEANS.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |