US3270103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of shockproof expanded plastic sheets
Assignee: BASF SE
•
Filing: 1963-03-27
•
Granted: 1966-08-30
•
Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Kurtz Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:10
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/688; B29C44/00; B29C44/02; B29C44/12; B29C44/1276; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/205; B29K; B29K2105/00; B29K2105/04; B29K2105/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PROCESS FOR THE PRODUCTION OF SHOCKPROOF PLASTIC EXPANDED SHEETS USEFUL AS SHEETING FOR WALLS, CEILINGS, PANELLED WALLS OF INSULATING LAYERS FOR WALLS, FLOORS AND CEILINGS WHICH ARE RESISTANT TO PRESSURE, TENSION AND SHRINKAGE WHICH COMPRISES PREPARING A REINFORCING, OPEN NETTING OF THERMOPLASTIC POLYMER RODS DIMENSIONED TO CORRESPOND TO THE SIZE OF THE SHEET, PROVIDING SAID NETTING WITH ADHESIVE, UNITING THE RESULTANT STICKY NETTING WITH EXPANDABLE PLASTIC GRANULATE, PLACING THE RESULTANT PRODUCT IN A MASTER MOLD PARTLY FILLED WITH EXPANDABLE PLASTIC GRANULATE, ADDING A FURTHER LAYER OF EXPANDABLE PLASTIC GRANULATE, HEATING SAID FILLED MASTER MOLD AND THUS EXPANDING ITS CONTENTS INTO AN EXPANDED PLASTIC SHEET, ALLOWING SAID MASTER MOLD TO COOL AND REMOVING THE EXPANDED SHEET THEREFROM.
Claim 2
Dependent Claim
117 words
A PROCESS FOR THE PRODUCTION OF SHOCKPROOF PLASTIC EXPANDED SHEETS USEFUL AS SHEETING FOR WALLS, CEILINGS, PANELLED WALLS OF INSULATING LAYERS FOR WALLS, FLOORS AND CEILINGS WHICH ARE RESISTANT TO PRESSURE, TENSION AND SHRINKAGE WHICH COMPRISES PREPARING A REINFORCING, OPEN NETTING OF THERMOPLASTIC POLYMER RODS DIMENSIONED TO CORRESPOND TO THE SIZE OF THE SHEET, PROVIDING SAID NETTING WITH ADHESIVE, UNITING THE RESULTANT STICKY NETTING WITH EXPANDABLE PLASTIC GRANULATE, PLACING THE RESULTANT PRODUCT IN A MASTER MOLD PARTLY FILLED WITH EXPANDABLE PLASTIC GRANULATE, ADDING A FURTHER LAYER OF EXPANDABLE PLASTIC GRANULATE, HEATING SAID FILLED MASTER MOLD AND THUS EXPANDING ITS CONTENTS INTO AN EXPANDED PLASTIC SHEET, ALLOWING SAID MASTER MOLD TO COOL AND REMOVING THE EXPANDED SHEET THEREFROM.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |