US3516939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vitreous composition for measuring neutron fluence
Assignee: Toshiba Corp
•
Filing: 1968-01-15
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Granted: 1970-06-23
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Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 Ryosuke Yokota
- 👤 Yuhei Muto
- 👤 Saburo Nakajima
- 👤 Kiyoshi Fukuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:49
CPC Classifications
G; G01; G01T; G01T5/00; G01T5/10; C; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/12; C03C3/16; C03C3/17; G01T3/00; G01T3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3303085A
Cited
US3294700A
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US3293433A
Cited
US3258317A
Cited
US3283152A
Cited
US3335278A
Cited
US3373683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |