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US2740703A
Expired / Lapsed
US
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Ignition mixture
Assignee: Olin Corp
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Filing: 1951-10-11
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Granted: 1956-04-03
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Expires: 1971-10-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Mulqueeny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:02
CPC Classifications
C; C06; C06B; C06B33/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
41 words
IN THE MANUFACTURE OF LEAD-SELENIUM IGNITION MIXTURES, THE IMPROVEMENT WHICH COMPRISES, PROVIDING PARTICLES OF LEAD, AND SUBSTANTIALLY BUT INCOMPLETELY OXIDIZING THE LEAD PARTICLES BEFORE INCORPORATION WITH THE SELENIUM, TO AN EXTENT SUFFICIENT TO PROVIDE 10-40% OF LEAD OXIDE IN THE MIX.
Claim 2
Dependent Claim
41 words
IN THE MANUFACTURE OF LEAD-SELENIUM IGNITION MIXTURES, THE IMPROVEMENT WHICH COMPRISES, PROVIDING PARTICLES OF LEAD, AND SUBSTANTIALLY BUT INCOMPLETELY OXIDIZING THE LEAD PARTICLES BEFORE INCORPORATION WITH THE SELENIUM, TO AN EXTENT SUFFICIENT TO PROVIDE 10-40% OF LEAD OXIDE IN THE MIX.
Claim 3
Dependent Claim
34 words
AN IGNITION MIX COMPRISING PARTICLES OF LEAD, SAID PRATICLES BEING SUBSTANTIALLY BUT INCOMPLETELY OXIDIZED TO AN EXTENT SUFFICIENT TO PROVIDE 10-40% OF LEAD OXIDE IN THE MIX AND THE OXIDE REMAINING IN SITU THEREON.
Claim 4
Dependent Claim
34 words
AN IGNITION MIX COMPRISING PARTICLES OF LEAD, SAID PRATICLES BEING SUBSTANTIALLY BUT INCOMPLETELY OXIDIZED TO AN EXTENT SUFFICIENT TO PROVIDE 10-40% OF LEAD OXIDE IN THE MIX AND THE OXIDE REMAINING IN SITU THEREON.
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |