Patent JPS5052276A successfully refreshed from Google Patents.
US3394587A
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US
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Assignee: EIDP Inc
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Filing: 1966-03-09
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Granted: 1968-07-30
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Expires: 1986-03-09
Abstract
No abstract record available.
Inventors
- 👤 Freeman John Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:25
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/042; B; B65; B65H; B65H23/00; B65H23/04; B65H23/044; Y; Y10; Y10S; Y10S73/00; Y10S73/01
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) | 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 |