US3313342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowers
Assignee: Individual
•
Filing: 1966-02-04
•
Granted: 1967-04-11
•
Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Laing Nikolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:54
CPC Classifications
F; F01; F01K; F01K9/00; F01K9/003; F04; F04D; F04D17/00; F04D17/02; F04D17/04; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F28; F28B; F28B1/00; F28B1/06; F28D; F28D7/00; F28D7/16; F28D7/163; F28D7/1653; F28F; F28F25/00; F28F25/10; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/302; Y10S165/311; Y10S165/313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A BLOWER COMPRISING A BLADED ROTOR, GUIDE MEANS PROVIDING AN INLET AND OUTLET FOR SAID BLOWER AND COOPERATING WITH SAID ROTOR IN OPERATION TO PROVIDE A FLOW OF AIR THROUGH SAID INLET AND OUTLET, AN OUTWARDLY FLARED DIFFUSER HAVING A NARROW NECK PORTION ADJACENT ONE END JOINING WITH THE OUTLET OF SAID BLOWER AND HAVING A DIFFUSER OUTLET AT THE OPPOSITE END THEREOF, AND AT LEAST ONE VANE POSITIONED WITHIN SAID DIFFUSER IN THE NECK PORTION THEREOF TO DIVIDE FLOW THEREIN AND TO FORM DIVERGING DIFFUSER PORTIONS ON EITHER SIDE OF THE VANE AND WHEREIN THE VANE EXTENDS ONLY ALONG A MINOR PORTION OF THE LENGTH OF THE DIFFUSER.
Claim 2
Dependent Claim
109 words
A BLOWER COMPRISING A BLADED ROTOR, GUIDE MEANS PROVIDING AN INLET AND OUTLET FOR SAID BLOWER AND COOPERATING WITH SAID ROTOR IN OPERATION TO PROVIDE A FLOW OF AIR THROUGH SAID INLET AND OUTLET, AN OUTWARDLY FLARED DIFFUSER HAVING A NARROW NECK PORTION ADJACENT ONE END JOINING WITH THE OUTLET OF SAID BLOWER AND HAVING A DIFFUSER OUTLET AT THE OPPOSITE END THEREOF, AND AT LEAST ONE VANE POSITIONED WITHIN SAID DIFFUSER IN THE NECK PORTION THEREOF TO DIVIDE FLOW THEREIN AND TO FORM DIVERGING DIFFUSER PORTIONS ON EITHER SIDE OF THE VANE AND WHEREIN THE VANE EXTENDS ONLY ALONG A MINOR PORTION OF THE LENGTH OF THE DIFFUSER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |