Patent US2518504A successfully refreshed from Google Patents.
US2518504A
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US
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Method for fabricating nylon bushings
Assignee: Polymer Corp
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Filing: 1947-06-17
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Granted: 1950-08-15
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Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Louis L Stott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:11
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/46; B29C35/00; B29C35/02; B29C35/04; B29C41/02; B29C41/04; B29C41/042; B29C41/045; C; C08; C08L; C08L77/00; B29C35/041; B29K; B29K2077/00; C08L2314/00; Y; Y10; Y10S; Y10S264/00; Y10S264/56; Y10S264/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF FABRICATING CYLINDRICAL BUSHINGS OF SYNTHETIC LINEAR POLYAMIDE MATERIALS WHICH COMPRISES METLTING THE MATERIAL IN A MOLD HAVING A CENTRAL CORE OF SMALLER DIAMETER THAN THE BORE OF THE FINISHED BUSHING, AND ROTATING THE MOLD DURING COOLING OF THE CONTENTS TO PRODUCE A BUSHING HAVING AN INTERNAL DIAMETER IN EXCESS OF THE CORE DIAMETER.
Claim 2
Independent Claim
56 words
A METHOD OF FABRICATING CYLINDRICAL BUSHINGS OF SYNTHETIC LINEAR POLYAMIDE MATERIALS WHICH COMPRISES METLTING THE MATERIAL IN A MOLD HAVING A CENTRAL CORE OF SMALLER DIAMETER THAN THE BORE OF THE FINISHED BUSHING, AND ROTATING THE MOLD DURING COOLING OF THE CONTENTS TO PRODUCE A BUSHING HAVING AN INTERNAL DIAMETER IN EXCESS OF THE CORE DIAMETER.
References Cited (Backward Citations)
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Cited
US1627209A
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US1832066A
Cited
US2193899A
Cited
US2136425A
Cited
US2305362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |