Patent US3489707A successfully refreshed from Google Patents.
US3489707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding compositions containing unsaturated and saturated polyesters resins,thermoplastic polymers,monomeric material and filler
Assignee: BP Chemicals UK Ltd
•
Filing: 1968-03-06
•
Granted: 1970-01-13
•
Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 David Philip Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:32
CPC Classifications
C; C08; C08L; C08L57/00; C08L67/00; C08L67/02; C08L67/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA560003A
Cited
US2567719A
Cited
US2617779A
Cited
US2856378A
Cited
US3227665A
Cited
US3291636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |