US3682727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Igniter charge for propellant compositions and rocket propellant charges
Assignee: Dynamit Nobel AG
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Filing: 1969-08-05
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Granted: 1972-08-08
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Expires: 1989-08-05
Abstract
Abstract THE PRESENT DISCLOSURE RELATES TO AN IGNITER CHARGE FOR PROPELLANT POWDER CHARGES AND ROCKET PROPELLANT CHARGES COMPRISING A HOT PARTICLE IGNITER MASS CONTAINING A BINDER SELECTED FROM THE GROUP CONSISTING OF POLYEPOXIDES, POLYESTERS, POLYURETHANES, POLYBUTANDIENES, POLYOLEFINS, SILICONES, CELLULOSE DERIVATIVES, AND RUBBER, AND OXYGEN DONOR SELECTED FROMTHE GROUP CONSISTING OF AMMONIUM AND ALKALI METAL NITRATES AND PERCHLORATES AND A HOT PARTICLE DONOR SLECTED FROM THE GROUP CONSISTING OF AT LEAST ONE METAL OR METAL OXIDE OF THE ELEMENTS GROUPS I TO VIII OF THE PERIODIC TABLE.
Inventors
- 👤 Walter Heinzelmann
- 👤 Karl-Egon Flach
- 👤 Alfred Voss
- 👤 Heinz Kroschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:16
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06C; C06C7/00; C06C9/00
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |