US3240663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing paper from mica flakes and a silicone
Assignee: Dow Silicones Corp
•
Filing: 1962-10-01
•
Granted: 1966-03-15
•
Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Thaddeus A Raczek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
C; C08; C08G; C08G77/00; C04; C04B; C04B26/00; C04B26/30; C04B26/32; C08L; C08L83/00; C08L83/04; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/13; D21H17/20; D21H17/33; D21H17/46; D21H17/59; C08G77/04; C08G77/14; C08G77/16; C08G77/70; D21H13/00; D21H13/10; D21H13/36; D21H13/38; D21H13/40; D21H13/42; D21H13/44; D21H13/46; D21H13/48; D21H23/00; D21H23/02; D21H23/04; D21H23/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1572847A
Cited
FR991088A
Cited
US2646373A
Cited
US2680073A
Cited
US2772157A
Cited
US2718475A
Cited
FR1128269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |