Patent US3205794A successfully refreshed from Google Patents.
US3205794A
Expired / Lapsed
US
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Shingle stacking and squaring
Assignee: Flintkote Co
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Filing: 1963-04-15
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Granted: 1965-09-14
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Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Frank L Califano
- 👤 Paul N Shutak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:02
CPC Classifications
B; B65; B65H; B65H33/00; B65H33/16; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/115
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
APPARATUS FOR STACKING AND SQUARING SHINGLES OR THE LIKE COMPRISING MEANS PROVIDING A SUPPORT ADAPTED TO RECEIVE SHINGLES SUCCESSIVELY DELIVERED THERETO IN SUPERPOSED RELATION, A CONVEYOR FOR RAPIDLY DELIVERING SHINGLES IN SUCCESSION DIRECTLY TO SAID SUPPORT, A STACK-SUPPORTING MEANS BENEATH SAID SUPPORT, MEANS OOPERABLE TO MOVE SAID SUPPORT FROM BENEATH SAID SHINGLES TO EFFECT DROPPING THEREOF DOWNWARDLY TO SAID STACK-SUPPORTING MEANS, CONTROL MEANS RESPONSIVE TO THE DELIVERY OF A PREDETERMINED NUMBBER OF SHINGLES TO SAID SUPPORT FOR OPERATING THE SAME TO EFFECT SAID DROPPING OF SAID SHINGLES AS A GROUP, SQUAR-
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |