US3421609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain tile laying apparatus
Assignee: National City Bank
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Filing: 1966-09-19
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Granted: 1969-01-14
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 John D Schmunk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:27
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/028; F16L1/036; E; E02; E02B; E02B11/00; E02B11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE LAYING APPARATUS COMPRISING AN UPRIGHT FRAME ADAPTED TO BE HAULED ALONG A TILE-RECEIVING TRENCH, A DOWNWARDLY AND REARWARDLY INCLINED CHUTE ON SAID FRAME AND ALONG WHICH A COLUMN OF TILE ARE ADAPTED TO GRAVITATE, A PLATFORM AT THE UPPER END OF SAID CHUTE, AND ARRANGED HORIZONTALLY OVER WHICH TILE ARE ADVANCED TO SAID CHUTE, A TRAY ADJACENT THE LOWER END OF AND SEPARATE FROM SAID CHUTE AND OVER WHICH TILE TRAVEL AFTER LEAVING THE CHUTE, MEANS TO ADJUST SAID TRAY FOR VARYING THE SPACING BETWEEN ADJACENT TILE DELIVERED TO THE TRENCH, AND MEANS TO ENGAGE THE TILE IN THE TRENCH AND MILITATE AGAINST ADJACENT TILE CROWDING TOGETHER DUE TO THE THRUST OF TILE IN THE CHUTE.
Claim 2
Dependent Claim
117 words
THE LAYING APPARATUS COMPRISING AN UPRIGHT FRAME ADAPTED TO BE HAULED ALONG A TILE-RECEIVING TRENCH, A DOWNWARDLY AND REARWARDLY INCLINED CHUTE ON SAID FRAME AND ALONG WHICH A COLUMN OF TILE ARE ADAPTED TO GRAVITATE, A PLATFORM AT THE UPPER END OF SAID CHUTE, AND ARRANGED HORIZONTALLY OVER WHICH TILE ARE ADVANCED TO SAID CHUTE, A TRAY ADJACENT THE LOWER END OF AND SEPARATE FROM SAID CHUTE AND OVER WHICH TILE TRAVEL AFTER LEAVING THE CHUTE, MEANS TO ADJUST SAID TRAY FOR VARYING THE SPACING BETWEEN ADJACENT TILE DELIVERED TO THE TRENCH, AND MEANS TO ENGAGE THE TILE IN THE TRENCH AND MILITATE AGAINST ADJACENT TILE CROWDING TOGETHER DUE TO THE THRUST OF TILE IN THE CHUTE.
References Cited (Backward Citations)
US1026672A
Cited
US2815726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |