Patent US3521785A successfully refreshed from Google Patents.
US3521785A
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Interlocking holding devices
Assignee: Eppendorf SE
•
Filing: 1968-06-18
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Granted: 1970-07-28
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Expires: 1988-06-18
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Bergmann
- 👤 Dieter Soelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:27
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5082; B01L9/00; B01L9/06; G; G01; G01N; G01N35/00; G01N35/02; G01N35/021; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/37; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45099; Y10T24/4511
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) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |