Patent US3132420A successfully refreshed from Google Patents.
US3132420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pack formed contoured light gage missile heads
Assignee: Lukens Inc
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Filing: 1960-12-30
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Granted: 1964-05-12
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Pompa Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:02
CPC Classifications
B; B21; B21K; B21K21/00; B21K21/06; F; F42; F42B; F42B10/00; F42B10/32; F42B10/38; F42B10/42; F42B10/46; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AS AN IMPROVEMENT IN THE ART OF MANUFACTURING SEMIELLIPSOIDAL HEADS WITH RAISED PORTIONS, A METHOD OF MANUFACTURING SAID HEADS WHICH CONSISTS OF MACHINING RAISED PORTIONS IN AT LEAST THE CENTER AND PERIPHERY OF A CIRCULAR FLAT STEEL PLATE INSERT, MACHINING A FIRST STEEL COVER PLATE TO RECEIVE SAID RAISED PORTIONS, PREPARING A SECOND STEEL COVER PLATE, MAKING A PACK WITH SAID INSERT SANDWIICHED BETWEEN SAID COVER PLATES AND WITH PARTING COMPOUND BETWEEN SAID INSERT AND SAID COVER PLATES, SAID FIRST COVER PLATE RECEIVING SAID RAISED PORTIONS IN SAID PACK, HEATING SAID PACK TO A SUBSTANTIALLY CHERRY RED COLOR, PARTIALLY DRAWING SAID PACK IN A FORMING PRESS, WITHDRAWING SAID PACK FROM SAID PRESS, REHEATING SAID PACK TO SUBSTANTIALLY RED COLOR AND AGAIN DRAWING SAID PACK INTO A SUBSTANTIALLY SEMIELLIPSOIDAL SHAPE, AND REMOVING SAID COVER PLATES FROM SAID INSERT.
Claim 2
Dependent Claim
137 words
AS AN IMPROVEMENT IN THE ART OF MANUFACTURING SEMIELLIPSOIDAL HEADS WITH RAISED PORTIONS, A METHOD OF MANUFACTURING SAID HEADS WHICH CONSISTS OF MACHINING RAISED PORTIONS IN AT LEAST THE CENTER AND PERIPHERY OF A CIRCULAR FLAT STEEL PLATE INSERT, MACHINING A FIRST STEEL COVER PLATE TO RECEIVE SAID RAISED PORTIONS, PREPARING A SECOND STEEL COVER PLATE, MAKING A PACK WITH SAID INSERT SANDWIICHED BETWEEN SAID COVER PLATES AND WITH PARTING COMPOUND BETWEEN SAID INSERT AND SAID COVER PLATES, SAID FIRST COVER PLATE RECEIVING SAID RAISED PORTIONS IN SAID PACK, HEATING SAID PACK TO A SUBSTANTIALLY CHERRY RED COLOR, PARTIALLY DRAWING SAID PACK IN A FORMING PRESS, WITHDRAWING SAID PACK FROM SAID PRESS, REHEATING SAID PACK TO SUBSTANTIALLY RED COLOR AND AGAIN DRAWING SAID PACK INTO A SUBSTANTIALLY SEMIELLIPSOIDAL SHAPE, AND REMOVING SAID COVER PLATES FROM SAID INSERT.
References Cited (Backward Citations)
DE807805C
Cited
US2960764A
Cited
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 |