US2994950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of adjustable optical slits
Assignee: Applied Biosystems Inc
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Filing: 1957-07-19
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Granted: 1961-08-08
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Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Edouard Horace Siegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:00
CPC Classifications
B; B21; B21D; B21D53/00; G; G01; G01J; G01J3/00; G01J3/02; G01J3/04; Y; Y10; Y10S; Y10S359/00; Y10S359/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49826; Y10T29/4984
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |