Patent US2953447A successfully refreshed from Google Patents.
US2953447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition compositions
Assignee: EIDP Inc
•
Filing: 1957-08-08
•
Granted: 1960-09-20
•
Expires: 1977-08-08
Abstract
No abstract record available.
Inventors
- 👤 William E Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:19
CPC Classifications
C; C06; C06B; C06B33/00; C06C; C06C5/00; C06C5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AN IGNITION COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF 5 TO 50% BY WEIGHT OF MAGNESIUM, FROM 5 TO 30% BY WEIGHT OF TELLURIUM DIOXIDE, AND THE BALANCE TELLURIUM.
Claim 2
Dependent Claim
30 words
AN IGNITION COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF 5 TO 50% BY WEIGHT OF MAGNESIUM, FROM 5 TO 30% BY WEIGHT OF TELLURIUM DIOXIDE, AND THE BALANCE TELLURIUM.
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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |