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US2531667A
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US
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Method of and apparatus for administering repeated injections
Assignee: Individual
•
Filing: 1947-12-01
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Granted: 1950-11-28
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Expires: 1967-12-01
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Brent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2422; A61M5/2429
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848711A
Cited
US785524A
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USRE16836E
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US1798142A
Cited
US1961023A
Cited
US2153594A
Cited
US2313483A
Cited
US2354649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |