Patent US3238299A successfully refreshed from Google Patents.
US3523918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabrication of molded parts of polyurethane foam having a non-cellular surface layer
Assignee: QUILLERY
•
Filing: 1968-02-12
•
Granted: 1970-08-11
•
Expires: 1988-02-12
Abstract
No abstract record available.
Inventors
- 👤 Georges Gonzalez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:31
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/34; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3802; C08G18/3814; C08G18/65; C08G18/6505; C08G18/66; C08G18/6666; C08G18/667; C08G18/6681; C08G18/6685; C08G2110/00; C08G2110/0033; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S264/00; Y10S264/14; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/249989
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |