US3499848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectrically-modified polyurethane foam
Assignee: Individual
•
Filing: 1968-05-31
•
Granted: 1970-03-10
•
Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Morey Weisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:30
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/5627; B29C44/5636; B29C59/00; B29C59/02; B29C59/026; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/23; B29C66/234; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/71; B29C66/72; B29C66/727; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81433; B29C66/83; B29C66/832; B29C66/8322; C; C08; C08J; C08J9/00; C08J9/0061; C08J9/0066; C08K; C08K3/00; C08K3/02; C08K3/04; C08K3/18; C08K3/20; C08K3/22; B29C35/00; B29C35/02; B29C35/12; B29C66/712; B29C66/729; B29C66/7292; B29K; B29K2105/00; B29K2105/04; C08J2375/00; C08J2375/04; C08J2427/00; Y; Y10; Y10S; Y10S264/00; Y10S264/17; Y10S521/00; Y10S521/915; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/24996; Y10T428/249986; Y10T428/249987; Y10T428/249991; Y10T428/249992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2740743A
Cited
US3242108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |