US3207073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive cord and assembly
Assignee: EIDP Inc
•
Filing: 1962-12-21
•
Granted: 1965-09-21
•
Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Miller Ross Jay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:42
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A DELAY-INITIATION CORD COMPRISING A CORE OF DEFLAGRATING COMPOSITION SELECTED FROM THE GROUP CONSISTING OF (1) TETRACENE AND (2) MIXTURES OF THE LEAD SALT OF DINITRO-O-CRESOL WITH A MEMBER OF THE GROUP CONSISTING OF (A) POTASSIUM CHLORATE AND TETRACENE, (B) POTASSIUM CHLORATE AND PENTAERYTHRITOL TENANITRATE, (C) POTASSIUM CHLORATE AND LEAD SYPHNATE, AND (D) POTASSIUM CHLORATE AND DIAZODINITROPHENOL, ENCASED IN A SHEATH OF A FLEXIBLE MATERIAL HAVING A TENSILE STRENGTH OF AT LEAST 25 POUNDS PER SQUARE INCH, THE LOADING OF SAID DEFLAGRATING COMPOSITION BEING FROM ABOUT 0.1 TO 5 GRAINS PER FOOT, AND SAID CORE OF DEFLAGRATING COMPOSITION BEING CHARACTERIZED BY A UNIFORM DEFLAGRATION VELOCITY OF FROM 100 TO 650 METERS PER SECOND.
References Cited (Backward Citations)
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Cited
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |