Patent EP0487110A2 successfully refreshed from Google Patents.
Patent US3490983A successfully refreshed from Google Patents.
US3490983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber reinforced structures and methods of making the same
Assignee: BP Chemicals Hitco Inc
•
Filing: 1965-05-17
•
Granted: 1970-01-20
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 George D Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:24
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/18; B64C3/185; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C53/582; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/205; B29C70/207; B29D; B29D99/00; B29D99/0025; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1369; Y10T428/1372; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T428/24149; Y10T428/249921; Y10T428/249924; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2936; Y10T442/00; Y10T442/60; Y10T442/643
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |