US3510323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat resistant inorganic foams and their method of manufacture
Assignee: Bayer Corp
•
Filing: 1965-10-21
•
Granted: 1970-05-05
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Marco Wismer
- 👤 Joseph F Bosso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:01
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/48; B; B01; B01D; B01D39/00; B01D39/14; B01D39/20; B01D39/2068; B01D39/2093; C04B38/00; C04B38/0022; C04B38/06; C04B38/0615; C04B38/062; C04B38/0625; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; Y; Y10; Y10S; Y10S521/00; Y10S521/911; Y10S521/919
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3301785A
Cited
US3175918A
Cited
US3285873A
Cited
US3387940A
Cited
US3281261A
Cited
US3345440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |