US2934061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sphygmomanometers
Assignee: Propper Manufacturing Co Inc
•
Filing: 1957-06-03
•
Granted: 1960-04-26
•
Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Irving A Speelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:46
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/0235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2630796A
Cited
US834185A
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US990277A
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US1166719A
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US1225395A
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US1222315A
Cited
US1644824A
Cited
US1500629A
Cited
US1679978A
Cited
DE591770C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |