Patent US2951644A successfully refreshed from Google Patents.
US2951644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing device
Assignee: ASS FOR PHYSIOLOGIC RES Inc
•
Filing: 1958-01-03
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Granted: 1960-09-06
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Expires: 1978-01-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Mahon
- 👤 Albert L Edelstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:17
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/06; A61M11/001; A61M11/002; A61M2205/00; A61M2205/82; A61M2205/8218; A61M2205/8225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB420711A
Cited
US2181421A
Cited
US2432660A
Cited
US2602700A
Cited
US2660132A
Cited
US2731298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |