Patent US3470383A successfully refreshed from Google Patents.
US3470383A
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US
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Device for measuring the width of glowing objects by scanning with a photocell
Assignee: ABB Norden Holding AB
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Filing: 1967-08-14
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Granted: 1969-09-30
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Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Erik Persson
- 👤 Nils-Erik Claesson
- 👤 Ingvar Trulsson
- 👤 Osvald Melandsor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:29
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; G01B11/04; G01B11/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SU157502A1
Cited
GB381485A
Cited
US2237811A
Cited
US2410550A
Cited
US2997598A
Cited
US3033991A
Cited
US3234844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |