US3074151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated air turbine rotor and method of making the same
Assignee: Viber Co
•
Filing: 1959-10-19
•
Granted: 1963-01-22
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Kroeckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:51
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/006; F; F01; F01D; F01D5/00; F01D5/02; F01D5/04; F01D5/043; F01D5/048; F01D5/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF FORMING AN AIR TURBINE ROTOR HAVING NON-RADIALLY ORIENTED FLUID PASSAGES LEADING FROM THE PERIPHERY TO A SMALLER DIAMETER EXHAUST GROOVE, COMPRISING THE STEPS OF PUNCHING A SUCCESSION OF SPACED APART FLUID-PASSAGE-SHAPED HOLES IN THE OUTER PERIPHERAL PORTION OF A PLURALITY OF SHEET METAL DISCS, THE SIDE WALLS OF EACH SAID HOLES DEFINING A PORTION OF AN AIR PASSAGE FOR SAID ROTOR, STACKING SAID DISCS WITH PUNCHED HOLES IN ALIGNMENT ON A BACK PLATE, CONSOLIDATING SAID PILE OF DISCS AND SAID BACK PLATE AS BY FURNACE BRAZING INTO A UNITARY
Claim 2
Independent Claim
92 words
THE METHOD OF FORMING AN AIR TURBINE ROTOR HAVING NON-RADIALLY ORIENTED FLUID PASSAGES LEADING FROM THE PERIPHERY TO A SMALLER DIAMETER EXHAUST GROOVE, COMPRISING THE STEPS OF PUNCHING A SUCCESSION OF SPACED APART FLUID-PASSAGE-SHAPED HOLES IN THE OUTER PERIPHERAL PORTION OF A PLURALITY OF SHEET METAL DISCS, THE SIDE WALLS OF EACH SAID HOLES DEFINING A PORTION OF AN AIR PASSAGE FOR SAID ROTOR, STACKING SAID DISCS WITH PUNCHED HOLES IN ALIGNMENT ON A BACK PLATE, CONSOLIDATING SAID PILE OF DISCS AND SAID BACK PLATE AS BY FURNACE BRAZING INTO A UNITARY
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |