US3284255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive initiator comprising barium styphnate and lead azide
Assignee: Northrop Carolina Inc
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Filing: 1965-07-01
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Granted: 1966-11-08
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Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Rothstein Lewis Robert
- 👤 Mullin Keith Benner
- 👤 Jewsbury Wayne Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:11
CPC Classifications
C; C06; C06B; C06B41/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AN INSENSITIVE EXPLOSIVELY DETONATABLE COMPOSITION FOR IGNITING SECONARY EXPLOSIVES COMPRISING BETWEEN 1 PART BARIUM STYPHNATE TO 1 PART LEAD AZIDE AND 10 PARTS BARIUM STYPHNATE TO 1 PART LEAD AZIDE.
Claim 2
Dependent Claim
30 words
AN INSENSITIVE EXPLOSIVELY DETONATABLE COMPOSITION FOR IGNITING SECONARY EXPLOSIVES COMPRISING BETWEEN 1 PART BARIUM STYPHNATE TO 1 PART LEAD AZIDE AND 10 PARTS BARIUM STYPHNATE TO 1 PART LEAD AZIDE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |