Patent US3273524A successfully refreshed from Google Patents.
US3273524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine method for producing an envelope
Assignee: Individual
•
Filing: 1964-01-21
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Granted: 1966-09-20
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Leo H Koltun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:18
CPC Classifications
D; D05; D05B; D05B11/00; D05B11/005; D05D; D05D2303/00; D05D2303/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METHOD OF PRODUCING AN ENVELOPE IN WHICH EACH MARGINAL SIDE EDGE OF AN ELONGATED STRIP OF MATERIAL IS SECURELY ATTACHED TO THE PERIPHERY OF SEPARATE PARALLEL OPPOSED PANELS WHICH EXTEND TRANSVERSELY OF SAID STRIP TO FORM SAID ENVELOPE, SAID METHOD COMPRISING THE STEPS OF: PLACING RESPECTIVE PERIPHERAL EDGES OF SAID SEPARATE OPPOSED PANELS TO OPERATIVELY ENGAGE RESPONSIVE FASTENING HEADS OF LATERALLY SPACED FASTENING MEANS OF TANDEM MACHINES ADAPTED TO FEED IN UNISON IN THE SAME DIRECTION; PLACING REMAINING PORTIONS OF SAID PANELS IN A VERTICALLY EXTENDING WORKPIECE RECEIVING AND MANIPULATING ZONE BELOW AND BETWEEN SAID SPACED APART MACHINES; POSITIONING SAID ELONGATED STRIP UNDER SAID FASTENING HEADS WITH EACH SAID MARGINAL SIDE EDGE THEREOF IN ALIGNMENT WITH SAID RESPECTIVE PERIPHERAL EDGES OF CORRESPONDING SAID SEPARATE OPPOSED PANELS;
Claim 2
Independent Claim
127 words
A METHOD OF PRODUCING AN ENVELOPE IN WHICH EACH MARGINAL SIDE EDGE OF AN ELONGATED STRIP OF MATERIAL IS SECURELY ATTACHED TO THE PERIPHERY OF SEPARATE PARALLEL OPPOSED PANELS WHICH EXTEND TRANSVERSELY OF SAID STRIP TO FORM SAID ENVELOPE, SAID METHOD COMPRISING THE STEPS OF: PLACING RESPECTIVE PERIPHERAL EDGES OF SAID SEPARATE OPPOSED PANELS TO OPERATIVELY ENGAGE RESPONSIVE FASTENING HEADS OF LATERALLY SPACED FASTENING MEANS OF TANDEM MACHINES ADAPTED TO FEED IN UNISON IN THE SAME DIRECTION; PLACING REMAINING PORTIONS OF SAID PANELS IN A VERTICALLY EXTENDING WORKPIECE RECEIVING AND MANIPULATING ZONE BELOW AND BETWEEN SAID SPACED APART MACHINES; POSITIONING SAID ELONGATED STRIP UNDER SAID FASTENING HEADS WITH EACH SAID MARGINAL SIDE EDGE THEREOF IN ALIGNMENT WITH SAID RESPECTIVE PERIPHERAL EDGES OF CORRESPONDING SAID SEPARATE OPPOSED PANELS;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |