Patent US5283475A successfully refreshed from Google Patents.
Patent US3143342A successfully refreshed from Google Patents.
US3143342A
Expired / Lapsed
US
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Deleaver stand
Assignee: Varco Inc
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Filing: 1962-10-04
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Granted: 1964-08-04
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Robert M Pine
- 👤 Donald J Steidinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:08
CPC Classifications
B; B41; B41L; B41L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A DEVICE FOR DELEAVING ZIGZAG FOLDED STACKS OF SUPERPOSED STRIPS OF CONTINUOUS FORM STATIONERY HAVING TRANSVERSE LINES OF WEAKENING AND IN WHICH THE STATIONERY STRIPS HAVE OPPOSITE MARGINAL EDGES SUPERPOSED TO FORM A PAIR OF MARGINAL EDGES OF THE STACK WITH STRIPS OF TRANSFER MATERIAL INTERLEAVED THEREBETWEEN, COMPRISING: MEANS FOR HOLDING A STACK OF ZIGZAG FOLDED STATIONERY ON ONE OF SAID MARGINAL EDGES OF SAID STATIONERY STRIPS, DRIVEN MEANS FOR PULLING AT LEAST ONE STRIP OF SAID STATIONERY AND ONE STRIP
Claim 2
Independent Claim
81 words
A DEVICE FOR DELEAVING ZIGZAG FOLDED STACKS OF SUPERPOSED STRIPS OF CONTINUOUS FORM STATIONERY HAVING TRANSVERSE LINES OF WEAKENING AND IN WHICH THE STATIONERY STRIPS HAVE OPPOSITE MARGINAL EDGES SUPERPOSED TO FORM A PAIR OF MARGINAL EDGES OF THE STACK WITH STRIPS OF TRANSFER MATERIAL INTERLEAVED THEREBETWEEN, COMPRISING: MEANS FOR HOLDING A STACK OF ZIGZAG FOLDED STATIONERY ON ONE OF SAID MARGINAL EDGES OF SAID STATIONERY STRIPS, DRIVEN MEANS FOR PULLING AT LEAST ONE STRIP OF SAID STATIONERY AND ONE STRIP
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |