US3004548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas injection system
Assignee: Isotopes Inc
•
Filing: 1958-06-11
•
Granted: 1961-10-17
•
Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 Richard D Janes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:24
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/20; G01M3/22; B; B01; B01F; B01F23/00; B01F23/06; B01F23/061; B01F25/00; B01F25/30; B01F25/31; B01F25/315; G01L; G01L19/00; G01L19/08; B01F25/312; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7795
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1290513A
Cited
GB197159A
Cited
US1731519A
Cited
US1753662A
Cited
US1943039A
Cited
US2067645A
Cited
US2297408A
Cited
US2270304A
Cited
FR905794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |