US3100692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detector tube
Assignee: Individual
•
Filing: 1961-02-16
•
Granted: 1963-08-13
•
Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Wachter Karl-August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A DETECTOR TUBE FOR TESTING GASES COMPRISING AN OPEN ENDED MIDDLE SECTION ADAPTED TO HOLD REAGENT MATERIAL A PAIR OF TIP END SECTIONS EACH HAVING A CLOSED TIP END AND AN OPEN END, THE OPEN END OF EACH TIP END SECTION BEING JOINED, RESPECTIVELY, TO THE OPEN END OF SAID MIDDLE SECTION, KNOB MEANS FORMED IN ONE PIECE WITH THE CLOSED END OF EACH TIP END SECTION FOR TWISTING AND BREAKING OFF THE CLOSED TIPS, AND EACH SECTION BEING COMPOSED OF A SYNTHETIC PLASTIC MATERIAL.
Claim 2
Dependent Claim
85 words
A DETECTOR TUBE FOR TESTING GASES COMPRISING AN OPEN ENDED MIDDLE SECTION ADAPTED TO HOLD REAGENT MATERIAL A PAIR OF TIP END SECTIONS EACH HAVING A CLOSED TIP END AND AN OPEN END, THE OPEN END OF EACH TIP END SECTION BEING JOINED, RESPECTIVELY, TO THE OPEN END OF SAID MIDDLE SECTION, KNOB MEANS FORMED IN ONE PIECE WITH THE CLOSED END OF EACH TIP END SECTION FOR TWISTING AND BREAKING OFF THE CLOSED TIPS, AND EACH SECTION BEING COMPOSED OF A SYNTHETIC PLASTIC MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |