US3589910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic granular caviar and a method of preparing it
Assignee: Individual
•
Filing: 1967-03-01
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Granted: 1971-06-29
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Expires: 1987-03-01
Abstract
Abstract A SYNTHETIC CAVIAR PRODUCED BY MIXING A SOLUTION OR A SUSPENSION OF EDIBLE PROTEINS WITH GELATIN, DROPPING THE MIXTURE INTO A WATER IMMISCIBLE LIQUID TO FORM JELLYLIKE GRANULES AND TREATING THE GRANULES WITH A TANNING AGENT.
Inventors
- 👤 Alexandr Nikolaevic Nesmeyanov
- 👤 Sergei Vasilievich Rogozhin
- 👤 Grigory Lvovich Slonimsky
- 👤 Vladimir Borisovic Tolstoguzov
- 👤 Vera Alexandrovna Ershova
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:20
CPC Classifications
A; A23; A23L; A23L17/00; A23L17/30; A23L17/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |