US3195808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: RAY WAYLAND CORP
•
Filing: 1962-10-12
•
Granted: 1965-07-20
•
Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
- 👤 Harley R Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:12
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B27/00; F04B27/04; F04B27/053; F04B39/1073; F04B39/108; F04B45/00; F04B45/02; F04B45/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN AIR PRESSURE PUMP COMPRISING A COVER, PLATE, AN INLET PASSAGE IN SAID PLATE, AN OUTLET PASSAGE IN SAID PLATE, A VALVE PLATE, AN INLET PASSAGE IN SAID VALVE PLATE ALIGNED WITH SAID INLET PASSAGE IN SAID COVER PLATE, AN OUTLET PASSSAGE IN SAID VALVE PLATE ALIGNED WITH SAID OUTLET PASSAGE IN SAID COVER PLATE, A FLAPPER VALVE ELEMENT SECURED TO ONE SURFACE OF SAID VALVE PLATE AND OVERLYING SAID INLET PASSAGE, A SECOND FLAPPER VALVE ELEMENT SECURED TO THE OPPOSITE SURFACE OF SAID VALVE PLATE AND OVERLYING SAID OUTLET PASSAGE IN SAID VALVE PLATE, A BELLOWS HAVING ONE OF ITS ENDS CLAMPED BETWEEN SAID COVER PLATE AND SAID VALVE PLATE, BOTTOM PLATE, AN ATTACHING PLATE, THE OPPOSITE END OF SAID BELLOWS BEING CLAMPED BETWEEN SAID BOTTOM PLATE AND SAID ATTACHING PLATE, A PISTON SLEEVE EXTENDING FROM SAID B OTTOM PLATE, A CAP MEMBER AT THE OUTER END OF SAID PISTON SLEEVE, MEANS SECURING SAID ATTACHING PLATE TO SAID
Claim 2
Dependent Claim
159 words
AN AIR PRESSURE PUMP COMPRISING A COVER, PLATE, AN INLET PASSAGE IN SAID PLATE, AN OUTLET PASSAGE IN SAID PLATE, A VALVE PLATE, AN INLET PASSAGE IN SAID VALVE PLATE ALIGNED WITH SAID INLET PASSAGE IN SAID COVER PLATE, AN OUTLET PASSSAGE IN SAID VALVE PLATE ALIGNED WITH SAID OUTLET PASSAGE IN SAID COVER PLATE, A FLAPPER VALVE ELEMENT SECURED TO ONE SURFACE OF SAID VALVE PLATE AND OVERLYING SAID INLET PASSAGE, A SECOND FLAPPER VALVE ELEMENT SECURED TO THE OPPOSITE SURFACE OF SAID VALVE PLATE AND OVERLYING SAID OUTLET PASSAGE IN SAID VALVE PLATE, A BELLOWS HAVING ONE OF ITS ENDS CLAMPED BETWEEN SAID COVER PLATE AND SAID VALVE PLATE, BOTTOM PLATE, AN ATTACHING PLATE, THE OPPOSITE END OF SAID BELLOWS BEING CLAMPED BETWEEN SAID BOTTOM PLATE AND SAID ATTACHING PLATE, A PISTON SLEEVE EXTENDING FROM SAID B OTTOM PLATE, A CAP MEMBER AT THE OUTER END OF SAID PISTON SLEEVE, MEANS SECURING SAID ATTACHING PLATE TO SAID
References Cited (Backward Citations)
US803152A
Cited
US1186664A
Cited
US1476794A
Cited
US1639623A
Cited
US1696013A
Cited
US2372302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |