US3533744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for performing analytical operations
Assignee: Individual
•
Filing: 1967-08-23
•
Granted: 1970-10-13
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Expires: 1987-08-23
Abstract
No abstract record available.
Inventors
- 👤 Hans Peter Olof Unger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/02; G01N35/00029; G01N2035/00089; G01N35/04; G01N2035/0401; G01N2035/0418; G01N2035/0422; G01N2035/0424; G01N2035/0425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3168124A
Cited
US3239312A
Cited
US3266298A
Cited
US3327535A
Cited
US3390962A
Cited
US3415627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |