US3469104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining the structure of thin,partly transparent materials as textile and paper materials or the like
Assignee: US Philips Corp
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Filing: 1966-01-14
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Granted: 1969-09-23
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Nils Folke Hector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:37
CPC Classifications
D; D06; D06H; D06H3/00; D06H3/08; D21; D21G; D21G9/00; G; G01; G01N; G01N21/00; G01N21/84; G01N21/86; G01N21/88; G01N21/89; G01N33/00; G01N33/24; G01N33/36; G01N33/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |