US3207640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reinforced material
Assignee: Avco Corp
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Filing: 1961-12-14
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Granted: 1965-09-21
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Expires: 1981-12-14
Abstract
No abstract record available.
Inventors
- 👤 Donald R Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:51
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF PRODUCING A SUBSTANTIALLY SOLID SHEET OF REINFORCED MATERIAL WHICH COMPRISES: SUPPORTING A REINFORCEMENT COMPRISING A BACKING AND PILE ATTACHED TO AND EXTENDING SUBSTANTIALLY PREPENDICULARLY FROM SAID BACKING BY A FOUNDATION MEMBER ADJACENT THE BACKING; INTRODUCING THROUGH SAID FOUNDATION MEMBER TO THE BACKING A MATRIX MATERIAL IN LIQUID FORM; ESTABLISHING FLOW OF SAID MATERIAL AS A LIQUID THROUGH
Claim 2
Independent Claim
60 words
THE METHOD OF PRODUCING A SUBSTANTIALLY SOLID SHEET OF REINFORCED MATERIAL WHICH COMPRISES: SUPPORTING A REINFORCEMENT COMPRISING A BACKING AND PILE ATTACHED TO AND EXTENDING SUBSTANTIALLY PREPENDICULARLY FROM SAID BACKING BY A FOUNDATION MEMBER ADJACENT THE BACKING; INTRODUCING THROUGH SAID FOUNDATION MEMBER TO THE BACKING A MATRIX MATERIAL IN LIQUID FORM; ESTABLISHING FLOW OF SAID MATERIAL AS A LIQUID THROUGH
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |