Patent US3292447A successfully refreshed from Google Patents.
US3292447A
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Modified globoid gearing
Assignee: VSESOYUZNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNO-TEKHNOLOGICHESKY INSTITUTE UGOLJNOGA MASHINOSTROJENIJA
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Filing: 1964-04-24
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Granted: 1966-12-20
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Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Zak Pavel Samoilovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:52
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A MODIFIED GLOBOID GEARING COMPRISING A GLOBOID WORM INCLUDING A HELICAL WORM THREAD HAVING A SMOOTH CHANGING CIRCULAR PITCH AND A WORM WHEEL WITH TEETH EMBRACING THE WORM THREAD, SAID TEETH BEING GENERATED BY A HOBBING CUTTER WITH A GENERATING SURFACE COINCIDING WITH THE SURFACE OF THE THREAD OF SAID WORM; SAID TEETH AND WORM THREAD BEING IN CONTACT WITH EACH OTHER ALONG THE
Claim 2
Dependent Claim
64 words
A MODIFIED GLOBOID GEARING COMPRISING A GLOBOID WORM INCLUDING A HELICAL WORM THREAD HAVING A SMOOTH CHANGING CIRCULAR PITCH AND A WORM WHEEL WITH TEETH EMBRACING THE WORM THREAD, SAID TEETH BEING GENERATED BY A HOBBING CUTTER WITH A GENERATING SURFACE COINCIDING WITH THE SURFACE OF THE THREAD OF SAID WORM; SAID TEETH AND WORM THREAD BEING IN CONTACT WITH EACH OTHER ALONG THE
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US2935888A
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US3045557A
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |