Patent US3104048A successfully refreshed from Google Patents.
US3104048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass envelope opening system
Assignee: Individual
•
Filing: 1961-12-01
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Granted: 1963-09-17
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Lemiesz Richard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:27
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/32; B65D27/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN COMBINATION, AN ENVELOPE AND AN ENVELOPE OPENING MACHINE, SAID MACHINE PROVIDED WITH A CLAMPING MEANS TO EXERT A RETAINING FORCE UPON A GROUP OF SAID ENVELOPE, SAID GROUP BEING RETAINED WITHIN AN ENVELOPE COMPARTMENT, SAID COMPARTMENT PROVIDING A PARTIAL ENCLOSURE WITH AT LEAST ONE SIDE OF SAID GROUP BEING UNCOVERED AND ACCESSIBLE, SAID SIDE COMPOSED OF FOLDS FORMED BY INDIVIDUAL ENVELOPE EDGES, THE JUXTAPOSITION OF ELONGATED HOLES PROVIDED UPON SAID FOLDS, THE DEPOSITION OF MAGNETIC SUBSTANCE ACROSS SAID HOLES, SAID MAGNETIC SUBSTANCE CONSTITUTING THE ENDS OF THREADS INTERNALLY ATTACHED UPON SAID FOLDS, AN ELECTRO-MAGNET POSITED IN CLOSE PROXIMITY TO SAID HOLES AND MAGNETIC SUBSTANCE; UPON ENERGIZING SAID MAGNET, THE PROTRACTED ENDS OF SAID THREADS MAGNETICALLY DRAWN OUT THROUGH SAID HOLES TO THE EXTERIOR OF SAID FOLDS, THE MEANS FOR GRIPING AND RELEASING SAID ENDS, AND THE MEANS FOR PULLING SAID THREADS FOR THE PURPOSE SPECIFIED.
Claim 2
Dependent Claim
146 words
IN COMBINATION, AN ENVELOPE AND AN ENVELOPE OPENING MACHINE, SAID MACHINE PROVIDED WITH A CLAMPING MEANS TO EXERT A RETAINING FORCE UPON A GROUP OF SAID ENVELOPE, SAID GROUP BEING RETAINED WITHIN AN ENVELOPE COMPARTMENT, SAID COMPARTMENT PROVIDING A PARTIAL ENCLOSURE WITH AT LEAST ONE SIDE OF SAID GROUP BEING UNCOVERED AND ACCESSIBLE, SAID SIDE COMPOSED OF FOLDS FORMED BY INDIVIDUAL ENVELOPE EDGES, THE JUXTAPOSITION OF ELONGATED HOLES PROVIDED UPON SAID FOLDS, THE DEPOSITION OF MAGNETIC SUBSTANCE ACROSS SAID HOLES, SAID MAGNETIC SUBSTANCE CONSTITUTING THE ENDS OF THREADS INTERNALLY ATTACHED UPON SAID FOLDS, AN ELECTRO-MAGNET POSITED IN CLOSE PROXIMITY TO SAID HOLES AND MAGNETIC SUBSTANCE; UPON ENERGIZING SAID MAGNET, THE PROTRACTED ENDS OF SAID THREADS MAGNETICALLY DRAWN OUT THROUGH SAID HOLES TO THE EXTERIOR OF SAID FOLDS, THE MEANS FOR GRIPING AND RELEASING SAID ENDS, AND THE MEANS FOR PULLING SAID THREADS FOR THE PURPOSE SPECIFIED.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |