Patent EP0466930A1 successfully refreshed from Google Patents.
Patent US3041590A successfully refreshed from Google Patents.
US3041590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustible fume detector
Assignee: Individual
•
Filing: 1958-12-23
•
Granted: 1962-06-26
•
Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 Lucci Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:44
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/71; G01N21/716
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A VAPOR DETECTOR COMPRISING: A FILAMENT ADAPTED WHEN HOT TO FUNCTION AS A CATALYST FOR IGNITABLE VAPORS TO BE DETECTED; MEANS FOR PASSING CURRENT THROUGH SAID FILAMENT TO HEAT SAID FILAMENT TO A LOW INTENSITY; A PHOTOVOLTAIC CURRENT GENERATOR RESPONSIVE TO LIGHT ENERGY RECEIVED IN BOTH THE VISIBLE AND INFRA-RED SPECTRUNS FOR GENERATING CURRENT IN AN AMOUNT CORRESPONDING TO THE AMOUNT OF SUCH LIGHT ENERGY RECEIVED; MEANS SUPPORTING SAID GENERATOR IN POSITION TO RECEIVE SUCH LIGHT ENERGY FROM
Claim 2
Dependent Claim
78 words
A VAPOR DETECTOR COMPRISING: A FILAMENT ADAPTED WHEN HOT TO FUNCTION AS A CATALYST FOR IGNITABLE VAPORS TO BE DETECTED; MEANS FOR PASSING CURRENT THROUGH SAID FILAMENT TO HEAT SAID FILAMENT TO A LOW INTENSITY; A PHOTOVOLTAIC CURRENT GENERATOR RESPONSIVE TO LIGHT ENERGY RECEIVED IN BOTH THE VISIBLE AND INFRA-RED SPECTRUNS FOR GENERATING CURRENT IN AN AMOUNT CORRESPONDING TO THE AMOUNT OF SUCH LIGHT ENERGY RECEIVED; MEANS SUPPORTING SAID GENERATOR IN POSITION TO RECEIVE SUCH LIGHT ENERGY FROM
References Cited (Backward Citations)
DE265391C
Cited
US892241A
Cited
US1256740A
Cited
US1421720A
Cited
GB521098A
Cited
US2304641A
Cited
US2299815A
Cited
US2577973A
Cited
US2627064A
Cited
US2781506A
Cited
US2897485A
Cited
US2787782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |