Patent US3621043A successfully refreshed from Google Patents.
Patent US3128875A successfully refreshed from Google Patents.
US3128875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating pusher-type conveyor
Assignee: —
•
Filing: —
•
Granted: 1964-04-14
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:05
CPC Classifications
B; B65; B65G; B65G25/00; B65G25/04; B65G25/08; B65G25/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CONVEYOR COMPRISING A RUNWAY CURVED IN A HORIZONTAL PLANE ALONG AT LEAST A PORTION OF ITS LENGTH, A RESILIENTLY FLEXIBLE TRANSFER RAIL, A SUPPORTING RAIL FIXEDLY MOUNTED IN RELATION TO THE RUNWAY AND SUPPORTING THE TRANSFER RAIL FOR RECIPROCATION, MEANS ON THE SUPPORTING RAIL FOR MAINTAINING THE TRANSFER RAIL UNIFORMLY SPACED ALONG ITS ENTIRE LENGTH FROM THE RUNWAY THROUGHOUT ITS MOVEMENT, MEANS FOR RECIPROCATING THE TRANSFER RAIL, A PLURALITY OF LONGITUDINALLY SPACED FEEDING MEMBERS FOR ADVANCING WORKPIECES ALONG THE RUNWAY, BRACKETS ON THE TRANSFER RAIL, PIVOT MEANS ON THE BRACKETS SUPPORTING THE FEEDING MEMBERS, AND STOPS ON THE BRACKETS FOR PREVENTING PIVOTAL MOVEMENT OF THE FEEDING MEMBERS PAST THEIR OPERATIVE POSITIONS WHEN THE TRANSFER RAIL IS MOVING IN ONE DIRECTION.
Claim 2
Dependent Claim
121 words
A CONVEYOR COMPRISING A RUNWAY CURVED IN A HORIZONTAL PLANE ALONG AT LEAST A PORTION OF ITS LENGTH, A RESILIENTLY FLEXIBLE TRANSFER RAIL, A SUPPORTING RAIL FIXEDLY MOUNTED IN RELATION TO THE RUNWAY AND SUPPORTING THE TRANSFER RAIL FOR RECIPROCATION, MEANS ON THE SUPPORTING RAIL FOR MAINTAINING THE TRANSFER RAIL UNIFORMLY SPACED ALONG ITS ENTIRE LENGTH FROM THE RUNWAY THROUGHOUT ITS MOVEMENT, MEANS FOR RECIPROCATING THE TRANSFER RAIL, A PLURALITY OF LONGITUDINALLY SPACED FEEDING MEMBERS FOR ADVANCING WORKPIECES ALONG THE RUNWAY, BRACKETS ON THE TRANSFER RAIL, PIVOT MEANS ON THE BRACKETS SUPPORTING THE FEEDING MEMBERS, AND STOPS ON THE BRACKETS FOR PREVENTING PIVOTAL MOVEMENT OF THE FEEDING MEMBERS PAST THEIR OPERATIVE POSITIONS WHEN THE TRANSFER RAIL IS MOVING IN ONE DIRECTION.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |