US3157334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock feeder
Assignee: SPECIAL ENGINEERING SERVICE IN
•
Filing: 1962-09-24
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Granted: 1964-11-17
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Bunnell
- 👤 Wayne M Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:27
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4645
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
IN A STOCK FEEDING DEVICE, A RECIPROCABLE CARRIAGE, A PISTON MOTOR FOR ADVANCING SAID CARRIAGE, A GRIPPER ON SAID CARRIAGE, A GRIPPER MOTOR FOR MOVING SAID GRIPPER TO A GRIPPING POSITION, MEANS FOR SIMULTANEOUSLY APPLYING FLUID PRESSURE FROM A COMMON SOURCE TO SAID MOTORS, THE EFFECTIVE AREA OF SAID GRIPPER MOTOR MEANS BEING SUBSTANTIALLY GREATER THAN THE EFFECTIVE AREA OF SAID CARRIAGE MOTOR, MEANS FOR CONNECTING THE CARRIAGE AND GRIPPER MOTORS, TO EXHAUST, AND AN ADJUSTABLY RESTRICTED ORIFICE IN THE CARRIAGE MOTOR EXHAUST CONNECTION.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |