Patent US3297342A successfully refreshed from Google Patents.
US3297342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separating continuous multi-part stock forms
Assignee: Individual
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Filing: 1965-03-16
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Granted: 1967-01-10
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert S Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:11
CPC Classifications
B; B41; B41L; B41L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A MULTI-STOCK FORM COMPOSED OF A SHEET OF CARBON PAPER BETWEEN EACH TWO ADJACENT SHEETS OF PRINTING PAPER, WHEREIN EACH INDIVIDUAL SHEET HAS REGULARLY-SPACED, TRANSVERSELY-EXTENDING, PERFORATED LINES FORMING THE FOLDING AND EVENTUAL TEARING EDGES OF A FAN-FOLDED REPORT, EACH SHEET BEING PROVIDED WITH A FIRST SET OF APERTURES SPACED FROM AND ON OPPOSITE SIDES OF EVERY OTHER OF SAID PERFORATED LINES AND A SECOND SET OF APERTURES EXTENDING FROM OPPOSITE SIDES OF SAID EVERY OTHER PERFORATED LINE UP TO THE RESPECTIVE PERFORATED LINE SO THAT TWO SUCH APERTURES FORM ONE LARGER APERTURE, EACH SHEET OF PRINTING PAPER WITHIN SAID FORM HAVING SAID SETS OF APERTURES ARRANGED IDENTICALLY AND EACH SHEET OF CARBON PAPER WITHIN SAID FORM HAVING THE RELATIVE POSITIONS OF THE TWO SAID APERTURES OF EACH SET REVERSED FROM THE ARRANGEMENT OF THE SAID SHEETS OF PRINTING PAPER.
Claim 2
Dependent Claim
139 words
A MULTI-STOCK FORM COMPOSED OF A SHEET OF CARBON PAPER BETWEEN EACH TWO ADJACENT SHEETS OF PRINTING PAPER, WHEREIN EACH INDIVIDUAL SHEET HAS REGULARLY-SPACED, TRANSVERSELY-EXTENDING, PERFORATED LINES FORMING THE FOLDING AND EVENTUAL TEARING EDGES OF A FAN-FOLDED REPORT, EACH SHEET BEING PROVIDED WITH A FIRST SET OF APERTURES SPACED FROM AND ON OPPOSITE SIDES OF EVERY OTHER OF SAID PERFORATED LINES AND A SECOND SET OF APERTURES EXTENDING FROM OPPOSITE SIDES OF SAID EVERY OTHER PERFORATED LINE UP TO THE RESPECTIVE PERFORATED LINE SO THAT TWO SUCH APERTURES FORM ONE LARGER APERTURE, EACH SHEET OF PRINTING PAPER WITHIN SAID FORM HAVING SAID SETS OF APERTURES ARRANGED IDENTICALLY AND EACH SHEET OF CARBON PAPER WITHIN SAID FORM HAVING THE RELATIVE POSITIONS OF THE TWO SAID APERTURES OF EACH SET REVERSED FROM THE ARRANGEMENT OF THE SAID SHEETS OF PRINTING PAPER.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |