US3175867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peripheral feed blower
Assignee: International Motors LLC
•
Filing: 1962-05-31
•
Granted: 1965-03-30
•
Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Abraham S Fenster
- 👤 Zimmerman Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:36
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN A MATERIAL BLOWER, A GENERALLY CYLINDERICAL HOUSING HAVING LATERALLY SPACED GENERALLY PARALLEL SIDES AND INTERVENING CIRCUMFERENTIALLY SPACED PERIPHERAL WALLS DEFINING AT THE CIRCUMFERENTIAL PERIPHERY OF THE ROTOR INLET AND OUTLET OPENINGS, SAID OUTLET OPENING BEING SUBSTANTIALLY TANGENTIAL, SAID INLET OPENING BEING WIDER THAN THE SPACE BE-
Claim 2
Dependent Claim
47 words
IN A MATERIAL BLOWER, A GENERALLY CYLINDERICAL HOUSING HAVING LATERALLY SPACED GENERALLY PARALLEL SIDES AND INTERVENING CIRCUMFERENTIALLY SPACED PERIPHERAL WALLS DEFINING AT THE CIRCUMFERENTIAL PERIPHERY OF THE ROTOR INLET AND OUTLET OPENINGS, SAID OUTLET OPENING BEING SUBSTANTIALLY TANGENTIAL, SAID INLET OPENING BEING WIDER THAN THE SPACE BE-
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |