US3082483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a flexible, resilient, low density web of cellular plastic
Assignee: Gilman Brothers Co
•
Filing: 1960-02-29
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Granted: 1963-03-26
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Warren H Bickford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:10
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; Y; Y10; Y10S; Y10S264/00; Y10S264/04; Y10S264/15; Y10S521/00; Y10S521/918; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD OF PRODUCING A FLEXIBLE, RESILIENT LOW DENSITY WEB OF THE CHARACTER DESCRIBED COMPRISING HEATING A RELATIVELY COOL SHEET OF A LOW DENSITY CELLULAR SYNTHETIC THERMOPLASTIC RESIN TO RAISE AT LEAST A PORTION OF SAID SHEET SUBSTANTIALLY COEXTENSIVE WITH THE AREA THEREOF TO A TEMPERATURE OF AT LEAST THE SOFTENING POINT OF SAID RESIN AND BELOW THE FUSION POINT OF SAID SHEET COMPRESSING SAID HEATED SHEET TO BETWEEN 10% AND 15% OF ITS ORIGINAL THICKNESS, AND THEREAFTER RELIEVING SAID PRESSURE AND PERMITTING SAID SHEET TO EXPAND.
Claim 2
Independent Claim
87 words
THE METHOD OF PRODUCING A FLEXIBLE, RESILIENT LOW DENSITY WEB OF THE CHARACTER DESCRIBED COMPRISING HEATING A RELATIVELY COOL SHEET OF A LOW DENSITY CELLULAR SYNTHETIC THERMOPLASTIC RESIN TO RAISE AT LEAST A PORTION OF SAID SHEET SUBSTANTIALLY COEXTENSIVE WITH THE AREA THEREOF TO A TEMPERATURE OF AT LEAST THE SOFTENING POINT OF SAID RESIN AND BELOW THE FUSION POINT OF SAID SHEET COMPRESSING SAID HEATED SHEET TO BETWEEN 10% AND 15% OF ITS ORIGINAL THICKNESS, AND THEREAFTER RELIEVING SAID PRESSURE AND PERMITTING SAID SHEET TO EXPAND.
References Cited (Backward Citations)
US2899708A
Cited
US2538406A
Cited
US2575259A
Cited
US2744291A
Cited
GB781046A
Cited
US2813053A
Cited
US2942301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |