US3395337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for identifying substances
Assignee: Varian Medical Systems Inc
•
Filing: 1952-01-03
•
Granted: 1968-07-30
•
Expires: 1972-01-03
Abstract
No abstract record available.
Inventors
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:28
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL40722C
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US2259904A
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US2294395A
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US2561489A
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US2570111A
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US2589494A
Cited
US2561490A
Cited
US2535666A
Cited
US2582314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |