US3787546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a perforated plastic article
Assignee: General Electric Co
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Filing: 1970-12-21
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Granted: 1974-01-22
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Expires: 1990-12-21
Abstract
Abstract A PERFORATED PLASTIC ARTICLE SUCH AS A PERFORATED REINFORCED LAMINATED PLASTIC SHEET IS MADE ON A STUDDED MOLD BY APPLYING PRESSURE TO THE PLASTIC TO PRESS THE SHEET TOWARD THE MOLD THROUGH A PRESSURE TRANSMITTING MATERIAL, FOR EXAMPLE. HAIR FELT. ONE FORM OR THE METHOD INCLUDES MAKINF A PERFORATED REINFORCED PLASTIC COMPOSITE ARTICLE HAVING AN IMPROVED EROSION RESISTANT ELASTOMER SURFACE THROUGH USE OF A COMPATIBLE TACK COAT SUCH AS OF THE EROSION RESISTANT ELASTOMER BETWEEN A REINFORCED PLASTIC SHEET AND THE EROSION RESISTANT ELASTOMER.
Inventors
- 👤 R Pratt
- 👤 K Ewing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:22
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/54; B29C70/545; B26; B26D; B26D3/00; B26D3/003; B29C33/00; B29C33/0033; B29C70/06; B29C70/08; B32; B32B; B32B37/00; B26F; B26F1/00; B26F1/24; Y; Y10; Y10S; Y10S264/00; Y10S264/70; Y10S264/78; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |