Patent US4044187B1 successfully refreshed from Google Patents.
US4044187B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film laminates having a reirradiated layer
Assignee: WR Grace and Co Conn
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Filing: 1975-05-22
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Granted: 1991-04-30
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Expires: 1995-05-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:05
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/30; B32B27/304; B32B27/306; B32B27/32; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B32B2305/00; B32B2305/72; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/70; B32B2307/724; B32B2307/7242; B32B2323/00; B32B2323/04; B32B2327/00; B32B2327/06; B32B2329/00; B32B2329/04; B32B2331/00; B32B2331/04; B32B2439/00; B32B2439/70; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928
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) | 1994-04-29 | 1994-10-29 | 1995-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-29 | 1998-10-29 | 1999-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-29 | 2002-10-29 | 2003-04-30 | $7700.00 | Window Closed / Lapsed |