US3111016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoflash lamp and ignition means therefor
Assignee: GTE Sylvania Inc
•
Filing: 1960-12-01
•
Granted: 1963-11-19
•
Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 William C Fink
- 👤 Nordstrom Magnus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:30
CPC Classifications
F; F21; F21K; F21K5/00; F21K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PRIMER COMPOSITION FOR PHOTOFLASH LAMPS COMPRISING A POWDER MIXTURE OF READILY IGNITABLE METAL AND AN OXIDIZING AGENT SUSPENDED IN A SOLUTION OF AN ORGANIC
Claim 2
Dependent Claim
25 words
A PRIMER COMPOSITION FOR PHOTOFLASH LAMPS COMPRISING A POWDER MIXTURE OF READILY IGNITABLE METAL AND AN OXIDIZING AGENT SUSPENDED IN A SOLUTION OF AN ORGANIC
References Cited (Backward Citations)
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US2178430A
Cited
US2263179A
Cited
US2487906A
Cited
US2857752A
Cited
US2791114A
Cited
US2982119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |