US3509872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body fluid test stick
Assignee: Individual
•
Filing: 1967-11-30
•
Granted: 1970-05-05
•
Expires: 1987-11-30
Abstract
No abstract record available.
Inventors
- 👤 Andrew Truhan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:37
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0045; A61B10/007; A61F; A61F13/00; A61F13/15; A61F13/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US58186A
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US632864A
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US2206282A
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US2491017A
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GB663519A
Cited
US3232710A
Cited
US3017879A
Cited
US3037496A
Cited
GB905463A
Cited
US3282114A
Cited
US3332549A
Cited
US3359180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |