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Abstract
Abstract AN APPARATUS AND METHOD OF OPERATION THEREOF FOR INSTANTANEOUS AND CONTINUOUS MONITORING AEROSOL PARTICLE CONCENTRATION IN THE ATMOSPHERE AS A FUNCTION OF TIME COMPRISING A PORTABLE CASE MEANS, NOZZLE MEANS LOCATED WITHIN SAID CASE MEANS AND EXTENDING OUTSIDE THEREOF, FIRST FEED REEL MEANS AND A TAKE-UP REEL MEANS WITHIN SAID CASE MEANS ADAPTED TO PASS PAPER TAPE ADJACENT TO THE END OF SAID NOZZLE MEANS WITHIN SAID CASE MEANS, A SECOND FEED REEL MEANS WITHIN SAID CASE MEANS ADAPTED TO FEED PLASTIC TAPE BETWEEN LAYERS OF SAID PAPER TAPE, MEANS TO ACTIVATE SAID TAPES, MEANS TO DRAW AN AIR SAMPLE THROUGH SAID NOZZLE MEANS, AND MEANS TO EXPEL SAID AIR SAMPLE OUTSIDE OF SAID CASE MEANS.
Inventors
- 👤 Abraham Koblin
- 👤 George R Freeburger
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |