US2809399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of uniting metal to plastic
Assignee: Motors Liquidation Co
•
Filing: 1952-08-30
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Granted: 1957-10-15
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Expires: 1972-08-30
Abstract
No abstract record available.
Inventors
- 👤 Howard C Mead
- 👤 Robert C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; Y; Y10; Y10S; Y10S425/00; Y10S425/115; Y10T; Y10T428/00; Y10T428/22; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD FOR SECURING A METAL MEMBER TO A THERMOPLASTIC ARTICLE COMPRISING THE STEPS OF FORMING THE THERMOPLASTIC ARTICLE WITH AN INTEGRAL ELONGATED RIDGE HAVING UPWARDLY EXTENDING SIDE WALLS, FORMING THE METAL MEMBER WITH A PAIR OF SUBSTANTIALLY DOWNWARDLY EXTENDING AND CONVERGING FLANGES, PLACING SAID METAL MEMBER ON SAID THERMOPLASTIC ARTICLE SO THAT SAID RIDGE IS POSITIONED BETWEEN SAID FLANGES AND IS INCASED IN SAID METAL MEMBER, HEATING SAID METAL MEMBER TO SOFTEN SAID RIDGE THEREBY CAUSING AT LEAST SOME PORTIONS OF SAID RIDGE TO FLOW AGAINST SAID FLANGES TO FORM AN INTERLOCK BETWEEN SAID METAL MEMBER AND SAID THERMOPLASTIC ARTICLE, AND THEN ALLOWING SAID ARTICLE TO COOL TO HARDEN THE THERMOPLASTIC.
Claim 2
Independent Claim
112 words
A METHOD FOR SECURING A METAL MEMBER TO A THERMOPLASTIC ARTICLE COMPRISING THE STEPS OF FORMING THE THERMOPLASTIC ARTICLE WITH AN INTEGRAL ELONGATED RIDGE HAVING UPWARDLY EXTENDING SIDE WALLS, FORMING THE METAL MEMBER WITH A PAIR OF SUBSTANTIALLY DOWNWARDLY EXTENDING AND CONVERGING FLANGES, PLACING SAID METAL MEMBER ON SAID THERMOPLASTIC ARTICLE SO THAT SAID RIDGE IS POSITIONED BETWEEN SAID FLANGES AND IS INCASED IN SAID METAL MEMBER, HEATING SAID METAL MEMBER TO SOFTEN SAID RIDGE THEREBY CAUSING AT LEAST SOME PORTIONS OF SAID RIDGE TO FLOW AGAINST SAID FLANGES TO FORM AN INTERLOCK BETWEEN SAID METAL MEMBER AND SAID THERMOPLASTIC ARTICLE, AND THEN ALLOWING SAID ARTICLE TO COOL TO HARDEN THE THERMOPLASTIC.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |