US3238098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of controlling sea lamprey
Assignee: Individual
•
Filing: 1964-01-27
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Granted: 1966-03-01
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 John H Howell
- 👤 Jr Everett L King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:27
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; A01N37/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR CONTROLING PENTROMYZON MARINUS LAMPREY COMPRISING ESTABLISHING, IN COLD WATER AQUATIC ENVIRONMENTS TRIBUTARY TO THE GREAT LAKES OF NORTH AMERICA CONTAINING THE PETROMYZON MARINUS LARVAE AND HABITABLE BY FRESH WATER TROUT, A CONCENTRATION OF BETWEEN 0.3 AND 15 PARTS PER MILLION OF A WATER-DISPERSIBLE LAMPRECIDAL COMPOSITION THAT IS LETHAL TO THE LARVAE WITHOUT MORE THAN ABOUT TWENTY-FIVE PERCENT TROUT MORTALITY, SAID LAMPRECIDAL COMPOSITION COMPRISING A COMPOUND HAVING THE FORMULA:
Claim 2
Independent Claim
71 words
A METHOD FOR CONTROLING PENTROMYZON MARINUS LAMPREY COMPRISING ESTABLISHING, IN COLD WATER AQUATIC ENVIRONMENTS TRIBUTARY TO THE GREAT LAKES OF NORTH AMERICA CONTAINING THE PETROMYZON MARINUS LARVAE AND HABITABLE BY FRESH WATER TROUT, A CONCENTRATION OF BETWEEN 0.3 AND 15 PARTS PER MILLION OF A WATER-DISPERSIBLE LAMPRECIDAL COMPOSITION THAT IS LETHAL TO THE LARVAE WITHOUT MORE THAN ABOUT TWENTY-FIVE PERCENT TROUT MORTALITY, SAID LAMPRECIDAL COMPOSITION COMPRISING A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |