Patent US2429069A successfully refreshed from Google Patents.
US3053249A
Expired / Lapsed
US
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Cardiac massage apparatus
Assignee: Gorman Rupp Industries Inc
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Filing: 1959-08-25
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Granted: 1962-09-11
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Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Edward M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/40; A61M60/424; A61M60/427; A61M60/435; A61M60/10; A61M60/122; A61M60/165; A61M60/191; A61M60/43; A61M60/465; A61M60/468; A61M60/80; A61M60/839; A61M60/20; A61M60/289; Y; Y10; Y10S; Y10S128/00; Y10S128/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055128A
Cited
US2249579A
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US2291785A
Cited
GB608866A
Cited
US2694395A
Cited
US2826193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |