Patent US2911427A successfully refreshed from Google Patents.
US3034501A
Expired / Lapsed
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Inflatable heart massager
Assignee: Individual
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Filing: 1958-08-05
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Granted: 1962-05-15
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Expires: 1978-08-05
Abstract
No abstract record available.
Inventors
- 👤 Carl E Hewson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:40
CPC Classifications
A; A61; A61H; A61H31/00; A61H31/004; A61H31/006; A61M; A61M60/00; A61M60/10; A61M60/122; A61M60/165; A61M60/191; A61M60/20; A61M60/289; A61M60/40; A61M60/465; A61M60/468; A61M60/50; A61M60/508; A61M60/562; A61M60/80; A61M60/839; A61H2201/00; A61H2201/01; A61H2201/0103; A61H2201/12; A61H2201/1238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |