US3527712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dried agarose gel,method of preparation thereof,and production of aqueous agarose gel
Assignee: Marine Colloids Inc
•
Filing: 1967-03-07
•
Granted: 1970-09-08
•
Expires: 1987-03-07
Abstract
No abstract record available.
Inventors
- 👤 Donald W Renn
- 👤 George P Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:34
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/281; B01J20/291; B01J20/22; B01J2220/00; B01J2220/50; B01J2220/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3281409A
Cited
US3423396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |