Patent US3241397A successfully refreshed from Google Patents.
US3241397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear head and a gear motor
Assignee: Northrop Grumman Systems Corp
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Filing: 1960-10-05
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Granted: 1966-03-22
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Expires: 1980-10-05
Abstract
No abstract record available.
Inventors
- 👤 Harry W Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:23
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/021; F16H1/00; F16H1/02; F16H1/20; H; H02; H02K; H02K7/00; H02K7/10; H02K7/116; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49462; Y10T29/49464; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19684; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A GEAR HEAD COMPRISING AN INTEGRALLY FORMED GEAR CAGE HAVING AT LEAST A PAIR OF BASES SPACED APART AND CONNECTED TOGETHER BY INTEGRAL POSTS TO FORM A GEAR CHAMBER THEREBETWEEN, ONE OF SAID BASES HAVING AN OPENING FORMED THERETHROUGH, A BEARING SEATED IN SAID OPENING, MEANS HOLDING SAID BEARING IN PLACE, A GEAR SHAFT EXTENDING BETWEEN SAID BASES AND HAVING ONE END SUPPORTED BY SAID BEARING, MEANS SUPPORTING THE OTHER END OF SAID GEAR SHAFT IN THE OTHER BASE, AND A GEAR MOUNTED ON SAID SHAFT, SAID SHAFT BEING LONGER THAN THE DISTANCE BETWEEN SAID BASES, THE SPACE BETWEEN SAID BASES BEING OPEN EXCEPT FOR SAID POSTS AND BEING LARGE ENOUGH TO ALLOW FOR INSERTION AND REMOVAL OF SAID GEAR AND GEAR SHAFT THROUGH THE SPACE BETWEEN SAID BASES WITHOUT REMOVING THE GEAR FROM THE SHAFT AND WITHOUT DISTURBING THE INTEGRALITY OF THE CAGE.
Claim 2
Dependent Claim
144 words
A GEAR HEAD COMPRISING AN INTEGRALLY FORMED GEAR CAGE HAVING AT LEAST A PAIR OF BASES SPACED APART AND CONNECTED TOGETHER BY INTEGRAL POSTS TO FORM A GEAR CHAMBER THEREBETWEEN, ONE OF SAID BASES HAVING AN OPENING FORMED THERETHROUGH, A BEARING SEATED IN SAID OPENING, MEANS HOLDING SAID BEARING IN PLACE, A GEAR SHAFT EXTENDING BETWEEN SAID BASES AND HAVING ONE END SUPPORTED BY SAID BEARING, MEANS SUPPORTING THE OTHER END OF SAID GEAR SHAFT IN THE OTHER BASE, AND A GEAR MOUNTED ON SAID SHAFT, SAID SHAFT BEING LONGER THAN THE DISTANCE BETWEEN SAID BASES, THE SPACE BETWEEN SAID BASES BEING OPEN EXCEPT FOR SAID POSTS AND BEING LARGE ENOUGH TO ALLOW FOR INSERTION AND REMOVAL OF SAID GEAR AND GEAR SHAFT THROUGH THE SPACE BETWEEN SAID BASES WITHOUT REMOVING THE GEAR FROM THE SHAFT AND WITHOUT DISTURBING THE INTEGRALITY OF THE CAGE.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |