US3276698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination valve and diffuser unit
Assignee: Individual
•
Filing: 1964-02-18
•
Granted: 1966-10-04
•
Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:29
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2312; B01F23/23122; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S261/00; Y10S261/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMBINATION VALVE AND DIFFUSER UNIT COMPRISING A BODY HAVING A PORTION TO CONNECTED THE SAME TO A SUPPLY OF PRESSURIZED AIR, AN OUTLET END FOR SAID BODY, AIR CONTROL VALVE MEANS AT SAID END MOVABLE BETWEEN OPEN AND CLOSED POSITIONS IN RESPONSE TO SAID AIR SUPPLY PRESSURE CONTROLLING DISCHARGE OF AIR THEREFROM AND COMPRISING ELEMENTS FOR IMPARTING A SWIRLING MOTION THERETO OVER A RELATIVELY WIDE AREA, AND LOCK MEANS ON SAID AIR CONTROL VALVE MEANS ENGAGED WITH THE BODY FOR LIMITING MOVEMENT OF SAID AIR CONTROL VALVE MEANS.
Claim 2
Dependent Claim
89 words
A COMBINATION VALVE AND DIFFUSER UNIT COMPRISING A BODY HAVING A PORTION TO CONNECTED THE SAME TO A SUPPLY OF PRESSURIZED AIR, AN OUTLET END FOR SAID BODY, AIR CONTROL VALVE MEANS AT SAID END MOVABLE BETWEEN OPEN AND CLOSED POSITIONS IN RESPONSE TO SAID AIR SUPPLY PRESSURE CONTROLLING DISCHARGE OF AIR THEREFROM AND COMPRISING ELEMENTS FOR IMPARTING A SWIRLING MOTION THERETO OVER A RELATIVELY WIDE AREA, AND LOCK MEANS ON SAID AIR CONTROL VALVE MEANS ENGAGED WITH THE BODY FOR LIMITING MOVEMENT OF SAID AIR CONTROL VALVE MEANS.
References Cited (Backward Citations)
US2733103A
Cited
US850216A
Cited
US1214229A
Cited
US1459012A
Cited
US1605325A
Cited
US1583141A
Cited
US2550100A
Cited
US2616676A
Cited
US3153682A
Cited
FR1247573A
Cited
US3048339A
Cited
US3182978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |