US4055111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope machine
Assignee: HOWATT GEORGE F CHAPIN ROAD HOLDEN MASS
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Filing: 1976-05-21
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Granted: 1977-10-25
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Expires: 1996-05-21
Abstract
Abstract Envelope machine of the window-applicator type and means for avoiding application of gum to window when envelope blank is missing and to dispose of the window under similar circumstances.
Inventors
- 👤 George F. Howatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:01
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/04; B31B2150/00; B31B2160/00; B31B2160/10; B31B70/60; B31B70/62; B31B70/74; B31B70/81; B31B70/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
An envelope machine, comprising: a. an elongated frame, b. a conveyor mounted in the frame for carrying envelope blanks longitudinally of the frame, the conveyor consisting of a plurality of endless belts mounted side-by-side to define gaps between them and a suction means including a tray underlying the upper run of the belts to provide suction in the gaps, the tray being open upwardly and having vertical side walls whose upper edges extend longitudinally in sealing relationship with the two extreme side belts, and c. a blank processing element mounted on the frame above the conveyor and spaced upstream a substantial distance from the discharge end of the conveyor.
Claim 2
Dependent Claim
109 words
An envelope machine, comprising: a. an elongated frame, b. a conveyor mounted in the frame for carrying envelope blanks longitudinally of the frame, the conveyor consisting of a plurality of endless belts mounted side-by-side to define gaps between them and a suction means including a tray underlying the upper run of the belts to provide suction in the gaps, the tray being open upwardly and having vertical side walls whose upper edges extend longitudinally in sealing relationship with the two extreme side belts, and c. a blank processing element mounted on the frame above the conveyor and spaced upstream a substantial distance from the discharge end of the conveyor.
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) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |