US3168773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a drive roller for a domestic appliance
Assignee: Motors Liquidation Co
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Filing: 1961-10-30
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Granted: 1965-02-09
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 William A Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:52
CPC Classifications
F; F16; F16C; F16C13/00; B; B29; B29D; B29D99/00; B29D99/0032; D; D06; D06F; D06F37/00; D06F37/30; D06F37/36; B29L; B29L2031/00; B29L2031/32; F16C2340/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/4956; Y10T29/49563; Y10T29/49826; Y10T29/49863; Y10T29/4987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF MANUFACTURING A DRIVE ROLLER COMPRISING THE SEQUENTIAL STEPS OF FORMING A THIN GENERALLY CYLINDRICAL METALLIC INSERT, MOLDING A RESILIENT URETHANE TIRE ON THE OUTER PERIPHERAL SURFACE OF SAID INSERT, SIZING SAID DRIVE ROLLER BY RADIALLY SQUEEZING SAID INSERT AND SAID TIRE IN A MANNER TO SURPASS THE ELASTIC LIMIT OT SAID INSERT AND SAID TIRE TO REDUCE PERMANENTLY THE DIAMETER OF SAID INSERT AND SAID TIRE THEREBY TO SET UP PERMANENT COMPRESSIVE
Claim 2
Independent Claim
75 words
A METHOD OF MANUFACTURING A DRIVE ROLLER COMPRISING THE SEQUENTIAL STEPS OF FORMING A THIN GENERALLY CYLINDRICAL METALLIC INSERT, MOLDING A RESILIENT URETHANE TIRE ON THE OUTER PERIPHERAL SURFACE OF SAID INSERT, SIZING SAID DRIVE ROLLER BY RADIALLY SQUEEZING SAID INSERT AND SAID TIRE IN A MANNER TO SURPASS THE ELASTIC LIMIT OT SAID INSERT AND SAID TIRE TO REDUCE PERMANENTLY THE DIAMETER OF SAID INSERT AND SAID TIRE THEREBY TO SET UP PERMANENT COMPRESSIVE
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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |