US3351090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aspirator apparatus
Assignee: Lockheed Martin Corp
•
Filing: 1965-06-25
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Granted: 1967-11-07
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Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Albert D Brown
- 👤 Sr Terry B Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:55
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/20; A61M1/00; A61M1/80; A61M16/208; A61M16/209; F; F02; F02M; F02M63/00; F02M2700/00; F02M2700/05; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN ASPIRATOR APPARATUS COMPRISING A VACUUM CHAMBER, A CONNECTOR CARRIED BY SAID CHAMBER AND CONNECTABLE TO A SOURCE OF NEGATIVE PRESSURE TO ESTABLISH COMMUNICATION THEREBETWEEN, AN ADJUSTMENT ON SAID CHAMBER OPERATIVE ON SAID CONNECTOR TO REGULATE THE FLUID PRESSURE THEREIN, A PRESSURE INDICATOR MOUNTED WITHIN SAID CHAMBER AND VIEWABLE EXTERNALLY OF SAID CHAMBER TO DESIGNATE THE FLUID PRESSURE WITHIN THE CHAMBER, AND A SUCTION TUBE EXTENDING FROM SAID CHAMBER.
Claim 2
Dependent Claim
69 words
AN ASPIRATOR APPARATUS COMPRISING A VACUUM CHAMBER, A CONNECTOR CARRIED BY SAID CHAMBER AND CONNECTABLE TO A SOURCE OF NEGATIVE PRESSURE TO ESTABLISH COMMUNICATION THEREBETWEEN, AN ADJUSTMENT ON SAID CHAMBER OPERATIVE ON SAID CONNECTOR TO REGULATE THE FLUID PRESSURE THEREIN, A PRESSURE INDICATOR MOUNTED WITHIN SAID CHAMBER AND VIEWABLE EXTERNALLY OF SAID CHAMBER TO DESIGNATE THE FLUID PRESSURE WITHIN THE CHAMBER, AND A SUCTION TUBE EXTENDING FROM SAID CHAMBER.
References Cited (Backward Citations)
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Cited
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US2130059A
Cited
US2135148A
Cited
US2303766A
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |