Patent US3314449A successfully refreshed from Google Patents.
US3094983A
Expired / Lapsed
US
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Blood circulation device and method
Assignee: Individual
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Filing: 1961-07-25
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Granted: 1963-06-25
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Norman A Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:39
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H2205/00; A61H2205/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A VARIABLE, LIQUID PRESSURE DEVICE FOR AFFECTING THE METABOLISM OF PARTS OF THE BODY OF HUMAN BEINGS OR ANIMALS, A CHAMBER FOR CONTAINING A LIQUID UNDER PRESSURE; SAID CHAMBER HAVING AN OPENING ADAPTED TO RECEIVE A PART OF A BODY; A SEAL BEING FORMABLE AT SAID OPENING IN CONTACT WITH SAID BODY TO CLOSE SAID CHAMBER; MEANS TO FILL SAID CHAMBER WITH LIQUID AFTER SAID OPENING IS CLOSED; AND MEANS TO VARY THE PRESSURE OF ALL THE LIQUID IN THE CHAMBER.
Claim 2
Dependent Claim
82 words
IN A VARIABLE, LIQUID PRESSURE DEVICE FOR AFFECTING THE METABOLISM OF PARTS OF THE BODY OF HUMAN BEINGS OR ANIMALS, A CHAMBER FOR CONTAINING A LIQUID UNDER PRESSURE; SAID CHAMBER HAVING AN OPENING ADAPTED TO RECEIVE A PART OF A BODY; A SEAL BEING FORMABLE AT SAID OPENING IN CONTACT WITH SAID BODY TO CLOSE SAID CHAMBER; MEANS TO FILL SAID CHAMBER WITH LIQUID AFTER SAID OPENING IS CLOSED; AND MEANS TO VARY THE PRESSURE OF ALL THE LIQUID IN THE CHAMBER.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |