US3225616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear construction
Assignee: Scott and Williams Inc
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Filing: 1964-05-18
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Granted: 1965-12-28
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Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Richard H Whitehead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:13
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19916; Y10T74/1993; Y10T74/19935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A GEAR COMPRISING MEANS PROVIDING A RING, A PLURALITY OF PREFORMED ARCUATE SEGMENTS HAVING GEAR TEETH OF THE SAME SHAPE FORMED THEREON, AND MEANS MOUNTING SAID SEGMENTS ON A RIM OF SAID RING IN A PLURALITY OF LAYERS, EACH OF SAID LAYERS COMPRISING A PLURALITY OF SAID SEGMENTS ARRANGED IN END-TO-END RELATIONSHIP, THE SEGMENTS IN EACH LAYER BEING MOUNTED WITH THE GEAR TEETH THEREOF COINCIDING WITH THE TEETH OF THE OTHER LAYERS, SAID SEGMENTS BEING PREFORMED IN ENTIRETY INCLUDING THE TEETH THEREOF PRIOR THE ASSEMBLING THEREOF TO FORM THE GEAR, AND SEGMENTS IN ADJACENT LAYERS BEING ARRANGED IN STAGGERED OVERLAPPING RELATION.
Claim 2
Dependent Claim
101 words
A GEAR COMPRISING MEANS PROVIDING A RING, A PLURALITY OF PREFORMED ARCUATE SEGMENTS HAVING GEAR TEETH OF THE SAME SHAPE FORMED THEREON, AND MEANS MOUNTING SAID SEGMENTS ON A RIM OF SAID RING IN A PLURALITY OF LAYERS, EACH OF SAID LAYERS COMPRISING A PLURALITY OF SAID SEGMENTS ARRANGED IN END-TO-END RELATIONSHIP, THE SEGMENTS IN EACH LAYER BEING MOUNTED WITH THE GEAR TEETH THEREOF COINCIDING WITH THE TEETH OF THE OTHER LAYERS, SAID SEGMENTS BEING PREFORMED IN ENTIRETY INCLUDING THE TEETH THEREOF PRIOR THE ASSEMBLING THEREOF TO FORM THE GEAR, AND SEGMENTS IN ADJACENT LAYERS BEING ARRANGED IN STAGGERED OVERLAPPING RELATION.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |