Patent US3028490A successfully refreshed from Google Patents.
US3028490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus responsive to the composition of a gaseous medium
Assignee: A RESPONSABILITE LA DETECTION ELECTRONIQUE FRANCAISE Ltee Ste
•
Filing: 1958-02-10
•
Granted: 1962-04-03
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Robert Guilleux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:51
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/08; G; G01; G01N; G01N27/00; G01N27/62; G01N27/64; G01N27/66; G08; G08B; G08B17/00; G08B17/10; G08B17/11; G08B17/113; H; H01; H01J; H01J41/00; H01J41/02; H01J41/04; H01J41/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB389722A
Cited
US2594777A
Cited
US2641710A
Cited
US2761976A
Cited
US2702898A
Cited
US2817768A
Cited
US2883555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |