US3228650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die and method for its manufacture
Assignee: Motors Liquidation Co
•
Filing: 1963-03-04
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Granted: 1966-01-11
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Harry J Gilliland
- 👤 Jr Richard J Mollica
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:49
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20; Y; Y10; Y10S; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE METHOD OF FORMING A DIE MEMBER HAVING A DIE CAVITY THEREIN COMPRISING THE STEPS OF POSITIONING A PATTERN ON A SUPPORT, POSITIONING A METAL FRAME ON SAID SUPPORT AND ABOUT SAID PATTERN AND SECURING IT TO SAID SUPPORT, SAID FRAME HAVING INNER SIDES WHICH TAPER OUTWARDLY OF THE PATTERN, SPRAYING A LAYER OF A FUSIBLE FACING METAL OVER SAID PATTERN AND OVER AT LEAST A PORTION OF SAID TAPERED SIDES, THEN SPRAYING SUFFICIENT BACKING METAL OVER SAID FACING LAYER OF A LEVEL WHICH EXCEEDS THE HIGHEST POINT OF SAID FACING LAYER, REMOVING THE PATTERN, FUSING SAID FACING METAL AND DIFFUSION BONDING IT TO SAID FRAME, AND APPLYING A BACKING PLATE OVER SAID BACKING LAYER AND FASTENING SAID BACKING PLATE TO SAID FRAME WHEREBY THE SAID FACING LAYER AND THE SAID BACKING LAYER ARE FIRMLY CLAMPED BETWEEN SAID FRAME AND SAID BACKING PLATE.
Claim 2
Independent Claim
143 words
THE METHOD OF FORMING A DIE MEMBER HAVING A DIE CAVITY THEREIN COMPRISING THE STEPS OF POSITIONING A PATTERN ON A SUPPORT, POSITIONING A METAL FRAME ON SAID SUPPORT AND ABOUT SAID PATTERN AND SECURING IT TO SAID SUPPORT, SAID FRAME HAVING INNER SIDES WHICH TAPER OUTWARDLY OF THE PATTERN, SPRAYING A LAYER OF A FUSIBLE FACING METAL OVER SAID PATTERN AND OVER AT LEAST A PORTION OF SAID TAPERED SIDES, THEN SPRAYING SUFFICIENT BACKING METAL OVER SAID FACING LAYER OF A LEVEL WHICH EXCEEDS THE HIGHEST POINT OF SAID FACING LAYER, REMOVING THE PATTERN, FUSING SAID FACING METAL AND DIFFUSION BONDING IT TO SAID FRAME, AND APPLYING A BACKING PLATE OVER SAID BACKING LAYER AND FASTENING SAID BACKING PLATE TO SAID FRAME WHEREBY THE SAID FACING LAYER AND THE SAID BACKING LAYER ARE FIRMLY CLAMPED BETWEEN SAID FRAME AND SAID BACKING PLATE.
References Cited (Backward Citations)
CA603976A
Cited
US1935916A
Cited
US2293571A
Cited
US2390183A
Cited
US2798827A
Cited
US3004311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |