Patent US1058977A successfully refreshed from Google Patents.
Patent US3242715A successfully refreshed from Google Patents.
US3242715A
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Apparatus for testing portable gasdetecting instruments
Assignee: Individual
•
Filing: 1964-11-18
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Granted: 1966-03-29
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Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 Hubner Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:55
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/16; G01N33/00; G01N33/0004; G01N33/0006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN APPARATUS FOR TESTING PORTABLE GAS MEASURING INSTRUMENTS OF THE TYPE HAVING A PASSAGE ADAPTED TO RECEIVE A SAMPLE OF THE SURROUNDING ATMOSPHERE AND FURTHER HAVING AN ELECTRICAL POWER SUPPLY FOR THE OPERATION OF GAS ANALYZING MEANS, SAID APPARATUS COMPRISING AT LEAST ONE INSTRUMENT-RECEIVING COMPARTMENT WITH A PNEUMATIC COUPLING CONNECTABLE WITH SAID PASSAGE AND AN ELECTRIC COUPLING CONNECTABLE WITH SAID POWER SUPPLY THROUGH MATING COUPLINGS ON AN INSTRUMENT TO BE TESTED UPON INSERTION OF SAID INSTRUMENT IN SAID COMPARTMENT;
Claim 2
Independent Claim
79 words
AN APPARATUS FOR TESTING PORTABLE GAS MEASURING INSTRUMENTS OF THE TYPE HAVING A PASSAGE ADAPTED TO RECEIVE A SAMPLE OF THE SURROUNDING ATMOSPHERE AND FURTHER HAVING AN ELECTRICAL POWER SUPPLY FOR THE OPERATION OF GAS ANALYZING MEANS, SAID APPARATUS COMPRISING AT LEAST ONE INSTRUMENT-RECEIVING COMPARTMENT WITH A PNEUMATIC COUPLING CONNECTABLE WITH SAID PASSAGE AND AN ELECTRIC COUPLING CONNECTABLE WITH SAID POWER SUPPLY THROUGH MATING COUPLINGS ON AN INSTRUMENT TO BE TESTED UPON INSERTION OF SAID INSTRUMENT IN SAID COMPARTMENT;
References Cited (Backward Citations)
US1890884A
Cited
US3070988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |