Patent US2871372A successfully refreshed from Google Patents.
US2871372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared image converter apparatus
Assignee: Siemens Schweiz AG
•
Filing: 1954-12-16
•
Granted: 1959-01-27
•
Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 Portenier Ernst
- 👤 Spinnler Wilhelm
- 👤 Bolay Errol
- 👤 Riolo Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:10
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J2231/00; H01J2231/50; H01J2231/50005; H01J2231/5001; H01J2231/50015; H01J2231/50026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2058941A
Cited
US2491192A
Cited
US2683816A
Cited
US2692300A
Cited
US2680817A
Cited
GB717860A
Cited
FR1068703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |