US3353488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primer for impact fuses
Assignee: Dynamit Nobel AG
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Filing: 1965-09-27
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Granted: 1967-11-21
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Stadler Hans
- 👤 Gawlick Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:57
CPC Classifications
F; F42; F42C; F42C1/00; F42C1/02; F42C1/04; F42C1/06; F42C19/00; F42C19/08; F42C19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PRIMER FOR IMPACT FUSES COMPRISING: A CAPSULE HAVING A BOTTOM PART AND OPEN ON ONE SIDE THEREOF, AN IMPACT- AND FRICTION-SENSITIVE IGNITION COMPOSITION ACCOMMODATED IN SAID CAPSULE, SAID IGNITION COMPOSITION BEING PRESSED INTO THE BOTTOM PART OF THE CAPSULE IN SUCH A MANNER AS TO LEAVE A SUBSTANTIALLY CENTRAL RECESS IN THE DIRECTION TOWARD THE OPEN CAPSULE SIDE, AND A PRESSED-ON PARTICULATE FRICTION MATERIAL SUBSTANTIALLY FILLING THE REMAINDER OF THE CAPSULE.
Claim 2
Dependent Claim
72 words
A PRIMER FOR IMPACT FUSES COMPRISING: A CAPSULE HAVING A BOTTOM PART AND OPEN ON ONE SIDE THEREOF, AN IMPACT- AND FRICTION-SENSITIVE IGNITION COMPOSITION ACCOMMODATED IN SAID CAPSULE, SAID IGNITION COMPOSITION BEING PRESSED INTO THE BOTTOM PART OF THE CAPSULE IN SUCH A MANNER AS TO LEAVE A SUBSTANTIALLY CENTRAL RECESS IN THE DIRECTION TOWARD THE OPEN CAPSULE SIDE, AND A PRESSED-ON PARTICULATE FRICTION MATERIAL SUBSTANTIALLY FILLING THE REMAINDER OF THE CAPSULE.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |