US3176596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope making machine
Assignee: Individual
•
Filing: 1963-04-03
•
Granted: 1965-04-06
•
Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Triolo Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:58
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B2160/00; B31B2160/10; B31B2241/00; B31B2241/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A MACHINE FOR MAKING RECTANGULAR ENVELOPES WITH ONE OPEN EDGE AND FORMED FROM BLANKS PROVIDED WITH SHALLOW SIDE WALLS, AT LEAST TWO OF WHICH HAVE ATTACHED GLUE FLAPS, SAID MACHINE INCLUDING A FRAME, A CONVEYOR FOR MOVING THE BLANKS, MEANS FOR FOLDING THE SIDE WALLS WITH ATTACHED FLAPS INWARDLY, MEANS FOR APPLYING GLUE TO PORTIONS OF THE BLANKS WHERE THE FLAPS ENGAGE A HORIZONTAL WALL, A RECTANGULAR HOPPER FORMED WITH FOUR WALLS, AT LEAST TWO OF SAID WALLS WHICH ARE MOVABLE INWARDLY TOWARDS SAID SIDE WLLS OF THE ENVELOPE, MEANS FOR IMPARTING RECIPROCATING MOVEMENT TO THE MOVABLE WALLS, A CONVEYOR AT THE BOTTOM OF THE HOPPER ON WHICH THE ASSEMBLED BLANKS REST, MEANS FOR FOLDING THE SIDE WALLS OF THE BLANKS AND FOR FEEDING THE BLANKS WITH SUPERIMPOSED WALLS TO THE BOTTOM OF THE STACK ON SAID CONVEYOR, AND HEATING MEANS ATTACHED TO AT LEAST TWO OF SAID SIDE WALLS FOR REACTIVATING THE ADHESIVE AFTER WHICH PRESSURE FROM THE UPPER ENVELOPES OF THE STACK SECURES THE ADHESIVES PORTIONS OF THE LOWER ENVELOPES TOGETHER.
Claim 2
Dependent Claim
173 words
A MACHINE FOR MAKING RECTANGULAR ENVELOPES WITH ONE OPEN EDGE AND FORMED FROM BLANKS PROVIDED WITH SHALLOW SIDE WALLS, AT LEAST TWO OF WHICH HAVE ATTACHED GLUE FLAPS, SAID MACHINE INCLUDING A FRAME, A CONVEYOR FOR MOVING THE BLANKS, MEANS FOR FOLDING THE SIDE WALLS WITH ATTACHED FLAPS INWARDLY, MEANS FOR APPLYING GLUE TO PORTIONS OF THE BLANKS WHERE THE FLAPS ENGAGE A HORIZONTAL WALL, A RECTANGULAR HOPPER FORMED WITH FOUR WALLS, AT LEAST TWO OF SAID WALLS WHICH ARE MOVABLE INWARDLY TOWARDS SAID SIDE WLLS OF THE ENVELOPE, MEANS FOR IMPARTING RECIPROCATING MOVEMENT TO THE MOVABLE WALLS, A CONVEYOR AT THE BOTTOM OF THE HOPPER ON WHICH THE ASSEMBLED BLANKS REST, MEANS FOR FOLDING THE SIDE WALLS OF THE BLANKS AND FOR FEEDING THE BLANKS WITH SUPERIMPOSED WALLS TO THE BOTTOM OF THE STACK ON SAID CONVEYOR, AND HEATING MEANS ATTACHED TO AT LEAST TWO OF SAID SIDE WALLS FOR REACTIVATING THE ADHESIVE AFTER WHICH PRESSURE FROM THE UPPER ENVELOPES OF THE STACK SECURES THE ADHESIVES PORTIONS OF THE LOWER ENVELOPES TOGETHER.
References Cited (Backward Citations)
US2970526A
Cited
US3030867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |