US3476515A
Expired / Lapsed
US
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Analytical test pack and process for analysis
Assignee: EIDP Inc
•
Filing: 1966-04-26
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Granted: 1969-11-04
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Donald R Johnson
- 👤 Richard G Nadeau
- 👤 Gerrit Nieuweboer
- 👤 William L Truett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/54; B01L3/545; B01L3/5453; C; C12; C12Q; C12Q1/00; G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/17; G01N21/25; G01N21/251; G01N21/253; G01N35/00; G01N35/02; G01N35/04; G01N2035/0401; G01N2035/0429; G01N2035/0436; G01N35/10; G01N35/1079; Y; Y10; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/143333; Y10T436/144444; Y10T436/17; Y10T436/171538
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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |