US3269157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wringer
Assignee: Aqua Air Inc
•
Filing: 1964-07-16
•
Granted: 1966-08-30
•
Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jordan H Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:25
CPC Classifications
D; D06; D06F; D06F47/00; B; B30; B30B; B30B9/00; B30B9/02; B30B9/22; B30B9/225; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A WRINGER COMPRISING: A VERTICAL CIRCULAR CYLINDRICAL CASING, A SUBSTANTIALLY CYLINDRICAL RESILIENT MEMBRANE RECEIVED WITHIN SAID CASING, MEANS SECURING SAID MEMBRANE AROUND ITS PERIPHERAL ENDS ONLY TO THE ENDS OF SAID CASING, A SUBSTANTIALLY OPEN BOTTOM ACROSS THE LOWER END OF SAID CASING, AN OPERATING PORT IN THE WALL OF SAID CASING, SAID MEMBRANE BEING OF REDUCED THICKNESS CIRCUMFERENTIALLY THEREAROUND AND ABOVE ITS AXIAL CENTER WHEREBY SAID MEMBRANE WILL INITIALLY COLLAPSE ABOVE SAID CENTER WHEN A PRESSURE FLUID IS INTRODUCED THROUGH SAID
Claim 2
Dependent Claim
82 words
A WRINGER COMPRISING: A VERTICAL CIRCULAR CYLINDRICAL CASING, A SUBSTANTIALLY CYLINDRICAL RESILIENT MEMBRANE RECEIVED WITHIN SAID CASING, MEANS SECURING SAID MEMBRANE AROUND ITS PERIPHERAL ENDS ONLY TO THE ENDS OF SAID CASING, A SUBSTANTIALLY OPEN BOTTOM ACROSS THE LOWER END OF SAID CASING, AN OPERATING PORT IN THE WALL OF SAID CASING, SAID MEMBRANE BEING OF REDUCED THICKNESS CIRCUMFERENTIALLY THEREAROUND AND ABOVE ITS AXIAL CENTER WHEREBY SAID MEMBRANE WILL INITIALLY COLLAPSE ABOVE SAID CENTER WHEN A PRESSURE FLUID IS INTRODUCED THROUGH SAID
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |