US3817819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous insert for reinforcing foam plastic products and process for the production of these foam plastic products
Assignee: Bayer AG
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Filing: 1971-11-26
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Granted: 1974-06-18
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Expires: 1991-11-26
Abstract
Abstract CRASH PADS OR THE LIKE ESSENTIALLY COMPOSED OF A POLYMERIC FOAM MATERIAL AND RANDOMLY DISPOSED THERETHROUGH A NONWOVEN FABRIC OF SUBSTANTIALLY CONTINOUS FILAMENTS.
Inventors
- 👤 P Hoppe
- 👤 G Drouven
- 👤 J Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:15
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; C; C08; C08J; C08J9/00; C08J9/0085; C08K; C08K7/00; C08K7/02; C08K9/00; C08K9/08; D; D04; D04H; D04H3/00; D04H3/002; D04H3/005; D04H3/009; D04H3/011; D04H3/02; D04H3/04; D04H3/045; D04H3/05; D04H3/07; D04H3/08; D04H3/12; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/29; Y10T428/2913; Y10T428/298; Y10T428/31504; Y10T428/31511; Y10T428/31826; Y10T428/31942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |