US3079808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear drive with worm gearing
Assignee: Individual
•
Filing: 1960-02-08
•
Granted: 1963-03-05
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:34
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19949; Y10T74/19953; Y10T74/19963; Y10T74/19972; Y10T74/19986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
WORMGEAR DRIVE COMPRISING AN HOURGLASS WORM AND A MATING ENVELOPING WORMGEAR MOUNTED ON OFFSET AXES SET AT AN ANGLE OTHER THAN A RIGHT ANGLE TO ONE ANOTHER, SAID WORMGEAR HAVING CONCAVELY CURVED TOOTH BOTTOMS AND HAVING DIFFERENT TOOTH PROFILES IN PARALLEL PLANES PERPENDICULAR TO ITS AXIS.
Claim 2
Dependent Claim
46 words
WORMGEAR DRIVE COMPRISING AN HOURGLASS WORM AND A MATING ENVELOPING WORMGEAR MOUNTED ON OFFSET AXES SET AT AN ANGLE OTHER THAN A RIGHT ANGLE TO ONE ANOTHER, SAID WORMGEAR HAVING CONCAVELY CURVED TOOTH BOTTOMS AND HAVING DIFFERENT TOOTH PROFILES IN PARALLEL PLANES PERPENDICULAR TO ITS AXIS.
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |