Patent US3300355A successfully refreshed from Google Patents.
US3300355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making irregularly shaped hollow plastic bodies
Assignee: Individual
•
Filing: 1963-06-20
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Granted: 1967-01-24
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Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 William E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:10
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/32; B29C33/00; B29C53/00; B29C53/56; B29C53/564; B29C53/58; B29C53/581; B29C70/34; B29C70/347; B29C70/38; B29C70/386; B29D; B29D99/00; B29D99/001; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1052; Y10T156/1056; Y10T156/1089; Y10T156/12; Y10T156/1304
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A METHOD FOR PRODUCING AN IRREGULARITY SHAPED HOLLOW PLASTIC BODY WHICH COMPRISES PROVIDING A MANDREL HAVING A PLURALITY OF LONGITUDINAL SLOTS IN THE SURFACE THEREOF, ROTATING THE MANDREL ON A LONGITUDINAL AXIS, FEEDING A WEB OF FABRIC SO AS TO DELIVER SAID WEB IN POSITION TO BE WOUND ONTO THE MANDREL WHEN ROTATED ABOUT ITS LONGITUDINAL AXIS, EXTRUDING A MOLTEN THERMOPLASTIC RESINOUS SUBSTANCE ONTO THE WEB, FORCING THE PRESS BLOCK INTO THE SLOTS AT EACH TURN OF THE MANDREL CARRYING THE PRESS BLOCK CIRCUMFERENTIALLY WITH THE MANDREL FOR A SMALL ANGLE, RELEASING THE BLOCK AND RETURNING IT TO A POSITION TO ENTER THE NEXT LONGITUDINAL SLOT, INTRODUCING REINFORCING ELEMENTS IN THE LONGITUDINAL SLOTS AT AN INTERMEDIATE POINT IN THE WINDING THE THERMOPLASTIC COATED WEB OVER THE SLOTS TO INCORPORATE THE REINFORCING ELEMENTS INTO THE PLASTIC BODY.
Claim 2
Dependent Claim
137 words
IN A METHOD FOR PRODUCING AN IRREGULARITY SHAPED HOLLOW PLASTIC BODY WHICH COMPRISES PROVIDING A MANDREL HAVING A PLURALITY OF LONGITUDINAL SLOTS IN THE SURFACE THEREOF, ROTATING THE MANDREL ON A LONGITUDINAL AXIS, FEEDING A WEB OF FABRIC SO AS TO DELIVER SAID WEB IN POSITION TO BE WOUND ONTO THE MANDREL WHEN ROTATED ABOUT ITS LONGITUDINAL AXIS, EXTRUDING A MOLTEN THERMOPLASTIC RESINOUS SUBSTANCE ONTO THE WEB, FORCING THE PRESS BLOCK INTO THE SLOTS AT EACH TURN OF THE MANDREL CARRYING THE PRESS BLOCK CIRCUMFERENTIALLY WITH THE MANDREL FOR A SMALL ANGLE, RELEASING THE BLOCK AND RETURNING IT TO A POSITION TO ENTER THE NEXT LONGITUDINAL SLOT, INTRODUCING REINFORCING ELEMENTS IN THE LONGITUDINAL SLOTS AT AN INTERMEDIATE POINT IN THE WINDING THE THERMOPLASTIC COATED WEB OVER THE SLOTS TO INCORPORATE THE REINFORCING ELEMENTS INTO THE PLASTIC BODY.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |