Patent US3082483A successfully refreshed from Google Patents.
US3082483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a flexible, resilient, low density web of cellular plastic
Assignee: Gilman Brothers Co
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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 10:00
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.
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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) | 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 |