US3245359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear train discharge gate operating mechanism
Assignee: UNITCAST CORP
•
Filing: 1961-11-13
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Granted: 1966-04-12
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Walter L Floehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:00
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/20; B65; B65D; B65D90/00; B65D90/54; B65D90/58; B65D90/587; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A MECHANISM FOR OPERATING A DISCHARGE GATE OF A RAILWAY HOPPER CAR, THE COMBINATION OF A PLURALITY OF POWER GEAR TRAINS FOR ALTERNATELY TRANSMITTING OPERATING POWER TO SAID GATE, EACH OF SAID TRAINS HAVING INTERMESHING DRIVING AND DRIVEN GEARS AND BEING DRIVABLE ONLY THROUGH ITS DRIVING GEAR, AND MEANS DRIVABLY CONNECTING EACH OF THE DRIVING AND DRIVEN GEARS OF EACH TRAIN TO THE CORRESPONDING GEAR OIF THE OTHER TRAIN FOR INDIVIDUALLY OPERATING CORRESPONDING GEARS OF SAID TRAIN IN UNISON ON OPERATION OF ONE TRAIN.
Claim 2
Dependent Claim
85 words
IN A MECHANISM FOR OPERATING A DISCHARGE GATE OF A RAILWAY HOPPER CAR, THE COMBINATION OF A PLURALITY OF POWER GEAR TRAINS FOR ALTERNATELY TRANSMITTING OPERATING POWER TO SAID GATE, EACH OF SAID TRAINS HAVING INTERMESHING DRIVING AND DRIVEN GEARS AND BEING DRIVABLE ONLY THROUGH ITS DRIVING GEAR, AND MEANS DRIVABLY CONNECTING EACH OF THE DRIVING AND DRIVEN GEARS OF EACH TRAIN TO THE CORRESPONDING GEAR OIF THE OTHER TRAIN FOR INDIVIDUALLY OPERATING CORRESPONDING GEARS OF SAID TRAIN IN UNISON ON OPERATION OF ONE TRAIN.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |